#include 

using namespace std;
int rec(int number, int i) {
    if(i > number) {
        return 0;
    }
    if(number % i == 0) {
        return rec(number, i + 1) + 1;
    }
    else {
        return rec(number, i + 1);
    }
}
int main()
{
    int n;
    cin >> n;
    cout << rec(n, 1) << endl;
    return 0;
}
/*
 rec(5, 1) = rec(5, 2) + 1 = 1 + 1 = 2
 rec(5, 2) = rec(5, 3) = 1
 rec(5, 3) = rec(5, 4) = 1
 rec(5, 4) = rec(5, 5) = 1
 rec(5, 5) = rec(5, 6) + 1  = 0 + 1 = 1
 rec(5, 6) = 0
 
 **/