#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n;
  cin >> n;
  long long ans = 1;
  for (long long int i = 2; i * i <= n; i++) {
    long long int temp = 0;
    while (n % i == 0) {
      temp++;
      n /= i;
    }
    ans *= (temp + 1);
  }
  if (n > 1) ans *= 2;
  cout << ans << endl;
}
