640054964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{9412573}}^1$

素因数の和:9412594

約数の個数: 12

約数和(自身を含む): 1185984324

約数和(自身を除く): 545929360

約数列:

[1, 2, 4, 17, 34, 68, 9412573, 18825146, 37650292, 160013741, 320027482, 640054964]

約数ペア:

[(1, 640054964), (2, 320027482), (4, 160013741), (17, 37650292), (34, 18825146), (68, 9412573)]