#include <iostream>
using namespace std;
int main() {
    
    // SAYED AL MAMUN_LU

    int n, sum = 0;
    cin >> n;
    
    int i = 1;
    while (i <= n) {
        if (n % i == 0) {
            sum++;
        }
        i++;
    }
    
    cout << sum << endl;

    return 0;
}