#include <iostream>
#include <math.h>
using namespace std;
int main()
{
    long long int x;    cin >> x;
    int counter = 1;
    int a = 2;
    int b = sqrt (x);
    while ( a <= b )
    {
        if ( x % a == 0 )
        {
            counter ++;
            x = x / a;
        }

        else 
        {
            a ++;
        }
    }

    if ( x != 1 )
    {
        counter ++;
    }

    cout << counter;

    return 0;
}