8209136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 17436384

約数和(自身を除く): 9227248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 647, 793, 976, 1294, 1586, 2588, 3172, 5176, 6344, 8411, 10352, 12688, 16822, 33644, 39467, 67288, 78934, 134576, 157868, 315736, 513071, 631472, 1026142, 2052284, 4104568, 8209136]

約数ペア:

[(1, 8209136), (2, 4104568), (4, 2052284), (8, 1026142), (13, 631472), (16, 513071), (26, 315736), (52, 157868), (61, 134576), (104, 78934), (122, 67288), (208, 39467), (244, 33644), (488, 16822), (647, 12688), (793, 10352), (976, 8411), (1294, 6344), (1586, 5176), (2588, 3172)]