#include <cstdio>
#define MAX 100000
using namespace std;
FILE*si=fopen("sum.in","r");
FILE*so=fopen("sum.out","w");
int phi[MAX+5];
void calc()
{
    for(int i=1;i<=MAX;i++)
        phi[i]=i-1;
    for(int i=2; i<=MAX; i++)
        for(int j=2*i;j<=MAX;j+=i)
            phi[j]-=phi[i];
}
int main()
{
    int n;
    fscanf(si,"%i",&n);
    calc();
    int x;
    while(n--)
    {
        fscanf(si,"%i",&x);
        fprintf(so,"%lli\n",2LL*phi[x]*x);
    }
    return 0;
}