400284848

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{104677}}^1$

素因数の和:104924

約数の個数: 20

約数和(自身を含む): 778804320

約数和(自身を除く): 378519472

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 104677, 209354, 418708, 837416, 1674832, 25017803, 50035606, 100071212, 200142424, 400284848]

約数ペア:

[(1, 400284848), (2, 200142424), (4, 100071212), (8, 50035606), (16, 25017803), (239, 1674832), (478, 837416), (956, 418708), (1912, 209354), (3824, 104677)]