求2到2000的完全数的和，用Python写出来

Question

求2到2000的完全数的和，用Python写出来

Answer 1

python 2.7
x = [i for i in range(2, 2000) if int(i ** 0.5) == i ** 0.5]
print sum(x)
python 3.x
x = [i for i in range(2, 2000) if int(i ** 0.5) == i ** 0.5]
print (sum(x))