640002

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{9697}}^1$

素因数の和:9713

約数の個数: 16

約数和(自身を含む): 1396512

約数和(自身を除く): 756510

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 9697, 19394, 29091, 58182, 106667, 213334, 320001, 640002]

約数ペア:

[(1, 640002), (2, 320001), (3, 213334), (6, 106667), (11, 58182), (22, 29091), (33, 19394), (66, 9697)]