#include<fstream>
using namespace std;
int main()
{
	FILE *fcin=fopen("sum.in","r");
	FILE *fcout=fopen("sum.out","w");
	int n,phi[100005],i,j,max=100000,x;
	for(i=2;i<=max;i++)
		phi[i]=i;
	for(i=2;i<=max;i++)
		if(phi[i]==i)
			for(j=i;j<=max;j+=i)
				phi[j]=phi[j]/i*(i-1);
	fscanf(fcin,"%d",&n);
	for(i=1;i<=n;i++)
	{
		fscanf(fcin,"%d",&x);
		fprintf(fcout,"%lld\n",(long long)2*x*phi[x]);
	}
	return 0;
}