420431978

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1\times {\mathrm{3019}}^1$

素因数の和:3589

約数の個数: 16

約数和(自身を含む): 636012000

約数和(自身を除く): 215580022

約数列:

[1, 2, 179, 358, 389, 778, 3019, 6038, 69631, 139262, 540401, 1080802, 1174391, 2348782, 210215989, 420431978]

約数ペア:

[(1, 420431978), (2, 210215989), (179, 2348782), (358, 1174391), (389, 1080802), (778, 540401), (3019, 139262), (6038, 69631)]