#include <fstream>
#include <limits>
using namespace std;
 
ifstream in("sum.in");
ofstream out("sum.out");

long phi[100002]; 

int main()
{
    int n,c;
    const long N=100001;
	long long sum;
    for (int i=1;i<=N;i++) phi[i]=i;
    for (int i=2;i<=N;i++)
        if (phi[i]==i)
            for (int j=i;j<=N;j+=i) phi[j] /=i, phi[j] *= (i-1);
	in>>n;
    in.ignore(numeric_limits<streamsize>::max(),'\n');
    for(int i=0;i<n;++i)
    {
        in>>c;
        in.ignore(numeric_limits<streamsize>::max(),'\n');
		sum=2*phi[c]*c;
        out<<sum<<"\n";
    }
    in.close();
    out.close();
    return 0;
}