256236478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{123547}}^1$

素因数の和:123627

約数の個数: 16

約数和(自身を含む): 413638704

約数和(自身を除く): 157402226

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 123547, 247094, 2100299, 4200598, 7536367, 15072734, 128118239, 256236478]

約数ペア:

[(1, 256236478), (2, 128118239), (17, 15072734), (34, 7536367), (61, 4200598), (122, 2100299), (1037, 247094), (2074, 123547)]