640201416

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{503303}}^1$

素因数の和:503365

約数の個数: 32

約数和(自身を含む): 1630704960

約数和(自身を除く): 990503544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 503303, 1006606, 1509909, 2013212, 3019818, 4026424, 6039636, 12079272, 26675059, 53350118, 80025177, 106700236, 160050354, 213400472, 320100708, 640201416]

約数ペア:

[(1, 640201416), (2, 320100708), (3, 213400472), (4, 160050354), (6, 106700236), (8, 80025177), (12, 53350118), (24, 26675059), (53, 12079272), (106, 6039636), (159, 4026424), (212, 3019818), (318, 2013212), (424, 1509909), (636, 1006606), (1272, 503303)]