257960984

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{142049}}^1$

素因数の和:142282

約数の個数: 16

約数和(自身を含む): 485811000

約数和(自身を除く): 227850016

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 142049, 284098, 568196, 1136392, 32245123, 64490246, 128980492, 257960984]

約数ペア:

[(1, 257960984), (2, 128980492), (4, 64490246), (8, 32245123), (227, 1136392), (454, 568196), (908, 284098), (1816, 142049)]