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#include <iostream>

using namespace std;

//#define D(x) x
#define D(x)

int w = 0,x;

void test_b(int a, int  b)
{
    if(b>=2) {
        D(cout << x << ", " << a*x << ", " << a*b*x << "\n");
        w++;
    }
}

void test_n2(int n2)
{
    for(int a=2;a*a<=n2;a++) {
        if(n2%a==0) {
            test_b(a, n2/a-1);
            if(n2/a!=a)
                test_b(n2/a, a-1);
        }
    }
}

int main()
{
    int n,n2;
    cin >> n;
    for(x = 1;x*x<=n;x++) {
        if(n%x==0) {
            test_n2(n/x-1);
            if(n/x!=x)
                test_n2(x-1);
        }
    }
    cout << w << "\n";
}