647518768

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5646

約数の個数: 60

約数和(自身を含む): 1390338840

約数和(自身を除く): 742820072

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 169, 172, 208, 338, 344, 559, 676, 688, 1118, 1352, 2236, 2704, 4472, 5569, 7267, 8944, 11138, 14534, 22276, 29068, 44552, 58136, 72397, 89104, 116272, 144794, 239467, 289588, 478934, 579176, 941161, 957868, 1158352, 1882322, 1915736, 3113071, 3764644, 3831472, 6226142, 7529288, 12452284, 15058576, 24904568, 40469923, 49809136, 80939846, 161879692, 323759384, 647518768]

約数ペア:

[(1, 647518768), (2, 323759384), (4, 161879692), (8, 80939846), (13, 49809136), (16, 40469923), (26, 24904568), (43, 15058576), (52, 12452284), (86, 7529288), (104, 6226142), (169, 3831472), (172, 3764644), (208, 3113071), (338, 1915736), (344, 1882322), (559, 1158352), (676, 957868), (688, 941161), (1118, 579176), (1352, 478934), (2236, 289588), (2704, 239467), (4472, 144794), (5569, 116272), (7267, 89104), (8944, 72397), (11138, 58136), (14534, 44552), (22276, 29068)]