645262124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113843}}^1$

素因数の和:113969

約数の個数: 24

約数和(自身を含む): 1227238320

約数和(自身を除く): 581976196

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 113843, 227686, 455372, 1479959, 2959918, 5919836, 12408887, 24817774, 49635548, 161315531, 322631062, 645262124]

約数ペア:

[(1, 645262124), (2, 322631062), (4, 161315531), (13, 49635548), (26, 24817774), (52, 12408887), (109, 5919836), (218, 2959918), (436, 1479959), (1417, 455372), (2834, 227686), (5668, 113843)]