280147258

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{25801}}^1$

素因数の和:25953

約数の個数: 16

約数和(自身を含む): 431925480

約数和(自身を除く): 151778222

約数列:

[1, 2, 61, 89, 122, 178, 5429, 10858, 25801, 51602, 1573861, 2296289, 3147722, 4592578, 140073629, 280147258]

約数ペア:

[(1, 280147258), (2, 140073629), (61, 4592578), (89, 3147722), (122, 2296289), (178, 1573861), (5429, 51602), (10858, 25801)]