#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define fi first #define se second template inline bool chmax(A &a, B b) { if (a inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; } typedef long long ll; typedef pair pii; typedef pair pll; typedef pair pip; const ll INF = 1ll<<29; const ll MOD = 1000000007; const double EPS = 1e-9; vector findDivisor(ll n) { vector divisor; for (ll i = 1; i * i <= n; i++) { if (n % i == 0) { divisor.push_back(i); if (i * i != n) divisor.push_back(n / i); } } return divisor; } string to_str(ll x) { stringstream ss; ss << x; return ss.str(); } int main() { ll n; cin >> n; vector div = findDivisor(n); set ss; REP(i, div.size()) { string now = to_str(div[i]) + to_str(n / div[i]); ss.insert(now); } cout << ss.size() << endl; return 0; }