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#include <iostream>
using namespace std;
#define ll long long

int main()
{
    ll n, wynik=0;
    cin>>n;
    for(ll ii=1;ii*ii<=n;ii++){
        if(n%ii) continue;
        ll i=ii;
        ll tmp = (n-i)/i;
        for(ll j=2;j*j<=tmp;j++){
            if(tmp%j==0)
                wynik++;
            if(tmp%(tmp/j)==0 && tmp-(tmp/j)!=tmp/j)
                wynik++;
            if(j*j==tmp)
                wynik--;
        }
        if(ii==1 || ii*ii==n) continue;
        i=n/ii;
        tmp = (n-i)/i;
        for(ll j=2;j*j<=tmp;j++){
            if(tmp%j==0)
                wynik++;
            if(tmp%(tmp/j)==0 && tmp-(tmp/j)!=tmp/j)
                wynik++;
            if(j*j==tmp)
                wynik--;
        }
    }
    cout<<wynik;
}