#pragma region template #pragma GCC optimize("Ofast") #include using namespace std; using ll=long long; using ld=long double; using vi=vector; using vll=vector; using pi=pair; using pll=pair; #define overload2(a,b,c,...) c #define overload3(a,b,c,d,...) d #define overload4(a,b,c,d,e,...) e #define overload5(a,b,c,d,e,f,...) f #define TYPE1(T) template #define TYPE2(T,U) template #define TYPE(...) overload2(__VA_ARGS__,TYPE2,TYPE1)(__VA_ARGS__) #define TYPES1(T) template #define TYPES2(H,T) template #define TYPES(...) overload2(__VA_ARGS__,TYPES2,TYPES1)(__VA_ARGS__) #define REP4(i,s,n,d) for(int i=(s);i<(n);i+=(d)) #define REP3(i,s,n) REP4(i,s,n,1) #define REP2(i,n) REP3(i,0,n) #define REP1(n) REP2(tomato,n) #define REP(...) overload4(__VA_ARGS__,REP4,REP3,REP2,REP1)(__VA_ARGS__) #define RREP4(i,n,s,d) for(int i=(n)-1;i>=(s);i-=(d)) #define RREP3(i,n,s) RREP4(i,n,s,1) #define RREP2(i,n) RREP3(i,n,0) #define RREP1(n) RREP2(tomato,n) #define RREP(...) overload4(__VA_ARGS__,RREP4,RREP3,RREP2,RREP1)(__VA_ARGS__) #define FOR4(a,b,c,d,v) for(auto [a,b,c,d]:v) #define FOR3(a,b,c,v) for(auto [a,b,c]:v) #define FOR2(a,b,v) for(auto [a,b]:v) #define FOR1(a,v) for(auto a:v) #define FOR(...) overload5(__VA_ARGS__,FOR4,FOR3,FOR2,FOR1)(__VA_ARGS__) #define AFOR4(a,b,c,d,v) for(auto&[a,b,c,d]:v) #define AFOR3(a,b,c,v) for(auto&[a,b,c]:v) #define AFOR2(a,b,v) for(auto&[a,b]:v) #define AFOR1(a,v) for(auto&a:v) #define AFOR(...) overload5(__VA_ARGS__,AFOR4,AFOR3,AFOR2,AFOR1)(__VA_ARGS__) #define CFOR4(a,b,c,d,v) for(const auto&[a,b,c,d]:v) #define CFOR3(a,b,c,v) for(const auto&[a,b,c]:v) #define CFOR2(a,b,v) for(const auto&[a,b]:v) #define CFOR1(a,v) for(const auto&a:v) #define CFOR(...) overload5(__VA_ARGS__,CFOR4,CFOR3,CFOR2,CFOR1)(__VA_ARGS__) #define PFOR(v) for(bool f=true; (f ? exchange(f,false) : next_permutation(ALL(v)));) #define ALL(v) v.begin(),v.end() #define RALL(v) v.rbegin(),v.rend() #define SORT(v) sort(ALL(v)) #define RSORT(v) sort(RALL(v)) #define REVERSE(v) reverse(ALL(v)) #define UNIQUE(v) SORT(v),v.erase(unique(ALL(v)),v.end()) #define SZ(v) int(v.size()) TYPES(T) void input(T&... a){ (cin>>...>>a); } #define DECLARE(T,...) T __VA_ARGS__;input(__VA_ARGS__); #define INT(...) DECLARE(int,__VA_ARGS__) #define STR(...) DECLARE(string,__VA_ARGS__) #define LL(...) DECLARE(long long,__VA_ARGS__) #define CHR(...) DECLARE(char,__VA_ARGS__) #define DBL(...) DECLARE(double,__VA_ARGS__) #define VI(n,v) vi v(n);cin>>v; #define VLL(n,v) vll v(n);cin>>v; #define VS(n,s) vector s(n);cin>>s; TYPE(T) istream&operator>>(istream&is,vector&v){ for(auto&a:v)cin>>a; return is; } TYPE(T) ostream&operator<<(ostream&os,const vector&v){ if(&os==&cerr)os<<"["; REP(i,v.size()){ os<>(istream&is,pair&p){ cin>>p.first>>p.second; return is; } #ifdef __DEBUG #include #else #define debug(...) void(0) #endif void print(){ cout << '\n'; } TYPES(T,Ts) void print(const T& a,const Ts&... b){ cout<; TYPE(T) using pqg=priority_queue,greater>; TYPE(T) T pick(queue& que){assert(que.size()); T a=que.front();que.pop();return a;} TYPE(T) T pick(pq& que){assert(que.size()); T a=que.top();que.pop();return a;} TYPE(T) T pick(pqg& que){assert(que.size()); T a=que.top();que.pop();return a;} TYPE(T) T pick(stack& sta){assert(sta.size()); T a=sta.top();sta.pop();return a;} TYPE(T) void clear(T&v){ v=decltype(v)(); } string YES(bool f=true){return (f?"YES":"NO");} string Yes(bool f=true){return (f?"Yes":"No");} string yes(bool f=true){return (f?"yes":"no");} constexpr int INF=1e9+7; constexpr ll LINF=ll(1e18)+7; constexpr ld EPS=1e-10; vi iota(int n){vi a(n);iota(ALL(a),0);return a;} TYPE(T) vector> query_sort(const vector&v){ vector> res(v.size()); REP(i,v.size())res[i]={v[i],i}; SORT(res); return res; } TYPE(T) void add(vector&v,T a=1){ AFOR(p,v)p+=a; } TYPE(T) T rev(T a){ REVERSE(a);return a; } TYPE(T) void fin(T a){cout<b&&(a=b,true));} TYPES(T,Ns) auto make_vector(T x,int n,Ns ...ns){ if constexpr(sizeof...(ns)==0)return vector(n,x); else return vector(n,make_vector(x,ns...)); } bool in(const ll S,const int a){return (S>>a)&1;} int popcount(const ll S){return __builtin_popcountll(S);} int digit(char c){ return (c>='0' and c<='9' ? c-'0' : -1);} ll sqrtll(ll a){ for(ll b=sqrt(a);b*b<=a;b++)if(b*b==a)return b; for(ll b=sqrt(a);b>=0 and b*b>=a;b--)if(b*b==a)return b; return -1; } #pragma endregion template template class PrimeUtil{ using ll=long long; array isP; static ll pow2(ll a){ return a*a; } public: vector primes; conditional_t< PRIME_FACTOR, array< vector>, MAX+1 >, bool> prime_factor; conditional_t< DIVISOR, array< vector,MAX+1 >, bool> divisor; // 自明な約数は入らない PrimeUtil(){ fill(isP.begin(),isP.end(),true); isP[0]=isP[1]=false; primes.reserve(MAX/10); for(int i=2;i<=MAX;i++){ if constexpr(DIVISOR){ for(int j=2*i;j<=MAX;j+=i) divisor[j].push_back(i); } if(!isP[i])continue; primes.push_back(i); for(ll j=pow2(i);j<=MAX;j+=i)isP[j]=false; if constexpr(PRIME_FACTOR){ for(int j=i;j<=MAX;j+=i)prime_factor[j].emplace_back(i,1); int limit=MAX/i+1; for(ll j=pow2(i);j<=MAX;j*=i){ for(int k=j;k<=MAX;k+=j) prime_factor[k].back().second++; if(j>limit)break; } } } } bool is_prime(ll x){ if(x<=MAX)return isP[x]; for(int p:primes){ if(pow2(p)>x)return true; if(x%p==0)return false; } for(int p=primes.back()+1;pow2(p)<=x;p++) if(x%p==0)return false; return true; } }; PrimeUtil<1000000,false,false> P; template void for_all_pareto(const vector&v, const F&f){ int n=v.size(); vector a(n,0); while(true){ f(a); int idx=0; while(idx #include using namespace atcoder; using mint=modint998244353; namespace atcoder{ ostream& operator<<(ostream &os,mint a){os<>(istream &is,mint &a){ long long b;is>>b;a=b; return is; } } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); LL(n); vector a; for(int p:P.primes){ if(n%p)continue; int cnt=0; while(n%p==0){ n/=p; cnt++; } a.push_back(cnt); } if(n>1)a.push_back(1); SORT(a); int N=a.size(); map memo; memo[vi(N,0)]=1; auto F=[&](auto F,const vector&v){ if(memo.count(v))return memo[v]; mint res=0; for_all_pareto(v,[&](const vector&w){ if(w==v)return; mint x=F(F,w); REP(i,N)if(v[i]==w[i])x *= w[i]+1; res += x; }); return memo[v]=res; }; cout<