1242145786

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{667103}}^1$

素因数の和:667138

約数の個数: 24

約数和(自身を含む): 2281495680

約数和(自身を除く): 1039349894

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 667103, 1334206, 4669721, 9339442, 12674957, 25349914, 32688047, 65376094, 88724699, 177449398, 621072893, 1242145786]

約数ペア:

[(1, 1242145786), (2, 621072893), (7, 177449398), (14, 88724699), (19, 65376094), (38, 32688047), (49, 25349914), (98, 12674957), (133, 9339442), (266, 4669721), (931, 1334206), (1862, 667103)]