393400835728

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{137360627}}^1$

素因数の和:137360814

約数の個数: 20

約数和(自身を含む): 766472304240

約数和(自身を除く): 373071468512

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 137360627, 274721254, 549442508, 1098885016, 2197770032, 24587552233, 49175104466, 98350208932, 196700417864, 393400835728]

約数ペア:

[(1, 393400835728), (2, 196700417864), (4, 98350208932), (8, 49175104466), (16, 24587552233), (179, 2197770032), (358, 1098885016), (716, 549442508), (1432, 274721254), (2864, 137360627)]