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