#include <cstdio>
#include <algorithm>
using namespace std;
int n,euler[100005],i,j,a;
long long rasp;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=1;i<=100000;i++) euler[i]=i;
    for(i=2;i<=100000;i++) if(euler[i]==i) for(j=i;j<=100000;j+=i) euler[j]/=i,euler[j]=euler[j]*(i-1);
    scanf("%d",&n);
    for(i=1;i<=n;i++) {scanf("%d",&a);
    rasp=2*a*euler[a]; printf("%lld\n",rasp);}
    return 0;
}