8139894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 19837440

約数和(自身を除く): 11697546

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 41, 42, 58, 82, 87, 123, 163, 174, 203, 246, 287, 326, 406, 489, 574, 609, 861, 978, 1141, 1189, 1218, 1722, 2282, 2378, 3423, 3567, 4727, 6683, 6846, 7134, 8323, 9454, 13366, 14181, 16646, 20049, 24969, 28362, 33089, 40098, 46781, 49938, 66178, 93562, 99267, 140343, 193807, 198534, 280686, 387614, 581421, 1162842, 1356649, 2713298, 4069947, 8139894]

約数ペア:

[(1, 8139894), (2, 4069947), (3, 2713298), (6, 1356649), (7, 1162842), (14, 581421), (21, 387614), (29, 280686), (41, 198534), (42, 193807), (58, 140343), (82, 99267), (87, 93562), (123, 66178), (163, 49938), (174, 46781), (203, 40098), (246, 33089), (287, 28362), (326, 24969), (406, 20049), (489, 16646), (574, 14181), (609, 13366), (861, 9454), (978, 8323), (1141, 7134), (1189, 6846), (1218, 6683), (1722, 4727), (2282, 3567), (2378, 3423)]