129664816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13759}}^1$

素因数の和:13817

約数の個数: 40

約数和(自身を含む): 272998400

約数和(自身を除く): 143333584

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 13759, 27518, 55036, 110072, 220144, 261421, 426529, 522842, 853058, 1045684, 1706116, 2091368, 3412232, 4182736, 6824464, 8104051, 16208102, 32416204, 64832408, 129664816]

約数ペア:

[(1, 129664816), (2, 64832408), (4, 32416204), (8, 16208102), (16, 8104051), (19, 6824464), (31, 4182736), (38, 3412232), (62, 2091368), (76, 1706116), (124, 1045684), (152, 853058), (248, 522842), (304, 426529), (496, 261421), (589, 220144), (1178, 110072), (2356, 55036), (4712, 27518), (9424, 13759)]