645216016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{1747}}^1$

素因数の和:2359

約数の個数: 40

約数和(自身を含む): 1283605344

約数和(自身を除く): 638389328

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 563, 656, 1126, 1747, 2252, 3494, 4504, 6988, 9008, 13976, 23083, 27952, 46166, 71627, 92332, 143254, 184664, 286508, 369328, 573016, 983561, 1146032, 1967122, 3934244, 7868488, 15736976, 40326001, 80652002, 161304004, 322608008, 645216016]

約数ペア:

[(1, 645216016), (2, 322608008), (4, 161304004), (8, 80652002), (16, 40326001), (41, 15736976), (82, 7868488), (164, 3934244), (328, 1967122), (563, 1146032), (656, 983561), (1126, 573016), (1747, 369328), (2252, 286508), (3494, 184664), (4504, 143254), (6988, 92332), (9008, 71627), (13976, 46166), (23083, 27952)]