#include <iostream>
using namespace std;
int main() {
// your code goes here
int A,c=0,i,j;
cin>>A;
for(i=1;i<A;i++){
for(j=1;j<=i;j++){
if(j*i==A) c++;
if(i==j||j==i) c--;
}
}
cout<<c;
return 0;
}
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