#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef int64_t ll; typedef std::pair Pii; typedef std::pair Pll; typedef std::pair Pdd; #define rip(_i, _n, _s) for (int _i = (_s); _i < (int)(_n); _i++) #define all(_l) _l.begin(), _l.end() #define rall(_l) _l.rbegin(), _l.rend() #define MM << " " << template using MaxHeap = std::priority_queue<_T>; template using MinHeap = std::priority_queue<_T, std::vector<_T>, std::greater<_T>>; template inline bool chmax(_T &_l, const _T _b) { if (_l < _b) { _l = _b; return true; } return false; } template inline bool chmin(_T &_l, const _T _b) { if (_l > _b) { _l = _b; return true; } return false; } template void vdeb(const std::vector<_T> &bb) { for (unsigned int i = 0;i < bb.size();i++) { if (i == bb.size() - 1) std::cout << bb[i]; else std::cout << bb[i] << ' '; } std::cout << '\n'; } template void vdeb(const std::vector> &bb) { for (unsigned int i = 0;i < bb.size();i++) { // std::cout << i << ' '; vdeb(bb[i]); } std::cout << '\n'; } struct modint { long long num; const static long long p = 998244353; static long long pow(long long n, long long k) {//n^k(mod p) long long ret = 1; while(k) { if(k&1) ret = ret * n % p; n = n * n % p; k >>= 1; } return ret; } // a*A + b*B = 1 static void euclid(long long &a, long long &b) { // a>=b A*b+B*(a-a/b*b)=1 if (a == 1) { a = 1; } else { long long A = b, B = a % b; euclid(A, B); b = (A - (p + a / b) % p * B % p + p) % p; a = B; } } static long long rev(const long long n) {// n*x-p*y=1 //long long q = p; //euclid(p, n, p); //return n % q; return pow(n,p-2); } modint() { num = 0; } modint(long long x) { num = x % p; } modint inv() const{return rev(num);} modint operator-() const{return modint(p-num);} modint& operator+=(const modint &other){ num = (num + other.num) % p; return *this; } modint& operator-=(const modint &other){ num = (num - other.num + p) % p; return *this; } modint& operator*=(const modint &other){ num = (num * other.num) % p; return *this; } modint& operator/=(const modint &other){ (*this) *= other.inv(); return *this; } modint& operator+=(const long long &other){ num = (num + other) % p; return *this; } modint& operator-=(const long long &other){ num = (num - other + p) % p; return *this; } modint& operator*=(const long long &other){ num = (num * other) % p; return *this; } modint& operator/=(const long long &other){ (*this) *= rev(other); return *this; } modint& operator++(){return *this += 1;} modint& operator--(){return *this -= 1;} modint& operator=(const long long &other){return (*this) = modint(other);} modint operator+(const modint &other) const{return modint(*this) += other;} modint operator-(const modint &other) const{return modint(*this) -= other;} modint operator*(const modint &other) const{return modint(*this) *= other;} modint operator/(const modint &other) const{return modint(*this) /= other;} modint operator+(const long long &other) const{return modint(*this) += other;} modint operator-(const long long &other) const{return modint(*this) -= other;} modint operator*(const long long &other) const{return modint(*this) *= other;} modint operator/(const long long &other) const{return modint(*this) /= other;} bool operator==(const modint &other) const{return num == other.num;} }; std::istream& operator>>(std::istream &is, modint x) { is >> x.num; return is; } std::ostream& operator<<(std::ostream &os, const modint &x){ os << x.num; return os; } using namespace std; int main() { int n; cin >> n; vector isp(n+1, true); isp[0] = isp[1] = false; rip(i,n+1,2) { if(!isp[i]) continue; int j = i*2; while(j <= n) { isp[j] = false; j += i; } } modint ans(1); rip(i,n,2) { if(!isp[i]) continue; ll ma1 = 1, ma2 = 0; ll j = i; ll c = 1; while(j < n) { if(n%j == 0) chmax(ma2, c); chmax(ma1, c); c++; j *= i; } // cerr << i MM ma << endl; ans *= modint::pow(i, ma1 + ma2); } cout << ans << endl; }