81704584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 179550000

約数和(自身を除く): 97845416

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 221, 296, 442, 481, 629, 884, 962, 1249, 1258, 1768, 1924, 2498, 2516, 3848, 4996, 5032, 8177, 9992, 16237, 16354, 21233, 32474, 32708, 42466, 46213, 64948, 65416, 84932, 92426, 129896, 169864, 184852, 276029, 369704, 552058, 600769, 785621, 1104116, 1201538, 1571242, 2208232, 2403076, 3142484, 4806152, 6284968, 10213073, 20426146, 40852292, 81704584]

約数ペア:

[(1, 81704584), (2, 40852292), (4, 20426146), (8, 10213073), (13, 6284968), (17, 4806152), (26, 3142484), (34, 2403076), (37, 2208232), (52, 1571242), (68, 1201538), (74, 1104116), (104, 785621), (136, 600769), (148, 552058), (221, 369704), (296, 276029), (442, 184852), (481, 169864), (629, 129896), (884, 92426), (962, 84932), (1249, 65416), (1258, 64948), (1768, 46213), (1924, 42466), (2498, 32708), (2516, 32474), (3848, 21233), (4996, 16354), (5032, 16237), (8177, 9992)]