#include<bits/stdc++.h>
using namespace std;
int Divisors(int n)
{
int count = 0;
for(int i=1; i*i<=n; i++)
{
if(i*i==n)
{
count++;
}
else if(n%i==0)
{
count = count+2;
}
}
return count;
}
//driver program
int main()
{
int n;
cin>>n;
int count = Divisors(n);
cout<<count;
return 0;
}