280686

素因数分解:

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

素因数の和:216

約数の個数: 32

約数和(自身を含む): 661248

約数和(自身を除く): 380562

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 163, 246, 287, 326, 489, 574, 861, 978, 1141, 1722, 2282, 3423, 6683, 6846, 13366, 20049, 40098, 46781, 93562, 140343, 280686]

約数ペア:

[(1, 280686), (2, 140343), (3, 93562), (6, 46781), (7, 40098), (14, 20049), (21, 13366), (41, 6846), (42, 6683), (82, 3423), (123, 2282), (163, 1722), (246, 1141), (287, 978), (326, 861), (489, 574)]