128456432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617579}}^1$

素因数の和:617600

約数の個数: 20

約数和(自身を含む): 268029720

約数和(自身を除く): 139573288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617579, 1235158, 2470316, 4940632, 8028527, 9881264, 16057054, 32114108, 64228216, 128456432]

約数ペア:

[(1, 128456432), (2, 64228216), (4, 32114108), (8, 16057054), (13, 9881264), (16, 8028527), (26, 4940632), (52, 2470316), (104, 1235158), (208, 617579)]