389610128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{2053}}^1$

素因数の和:2499

約数の個数: 40

約数和(自身を含む): 783190200

約数和(自身を除く): 393580072

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 409, 464, 818, 1636, 2053, 3272, 4106, 6544, 8212, 11861, 16424, 23722, 32848, 47444, 59537, 94888, 119074, 189776, 238148, 476296, 839677, 952592, 1679354, 3358708, 6717416, 13434832, 24350633, 48701266, 97402532, 194805064, 389610128]

約数ペア:

[(1, 389610128), (2, 194805064), (4, 97402532), (8, 48701266), (16, 24350633), (29, 13434832), (58, 6717416), (116, 3358708), (232, 1679354), (409, 952592), (464, 839677), (818, 476296), (1636, 238148), (2053, 189776), (3272, 119074), (4106, 94888), (6544, 59537), (8212, 47444), (11861, 32848), (16424, 23722)]