#include<bits/stdc++.h>
using namespace std;
//ofstream file("output15.txt");

void solve()
{
    int sum; cin>>sum;
    int ans=0;
    int sq = sqrt(sum);
    for(int i=1;i<=sq;i++)
    {
        if(sum%i==0)
        {
            if(i==sum/i) ans++;
            else ans+=2;
        }
    }

    cout<<ans<<endl;
    //file<<ans<<endl;
} 
int main(){solve();}