public override string Solve()
{
int x;
List <int> amicableList = new List <int>();
for (x = 2; x < 10000; x++)
{
var factorListX = AdvancedMath.Factor(x);
var sumX = factorListX.Sum() - factorListX[factorListX.Count - 1];
var factorListY = AdvancedMath.Factor(sumX);
var sumY = factorListY.Sum() - factorListY[factorListY.Count - 1];
if (sumY == x && sumY != sumX)
{
amicableList.Add(x);
}
}
return("Sum of all amicable numbers under 10000 is: " + amicableList.Sum());
}
