281635312

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{15427}}^1$

素因数の和:15605

約数の個数: 40

約数和(自身を含む): 627487616

約数和(自身を除く): 345852304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1141, 1304, 2282, 2608, 4564, 9128, 15427, 18256, 30854, 61708, 107989, 123416, 215978, 246832, 431956, 863912, 1727824, 2514601, 5029202, 10058404, 17602207, 20116808, 35204414, 40233616, 70408828, 140817656, 281635312]

約数ペア:

[(1, 281635312), (2, 140817656), (4, 70408828), (7, 40233616), (8, 35204414), (14, 20116808), (16, 17602207), (28, 10058404), (56, 5029202), (112, 2514601), (163, 1727824), (326, 863912), (652, 431956), (1141, 246832), (1304, 215978), (2282, 123416), (2608, 107989), (4564, 61708), (9128, 30854), (15427, 18256)]