261639336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1557377}}^1$

素因数の和:1557393

約数の個数: 32

約数和(自身を含む): 747541440

約数和(自身を除く): 485902104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1557377, 3114754, 4672131, 6229508, 9344262, 10901639, 12459016, 18688524, 21803278, 32704917, 37377048, 43606556, 65409834, 87213112, 130819668, 261639336]

約数ペア:

[(1, 261639336), (2, 130819668), (3, 87213112), (4, 65409834), (6, 43606556), (7, 37377048), (8, 32704917), (12, 21803278), (14, 18688524), (21, 12459016), (24, 10901639), (28, 9344262), (42, 6229508), (56, 4672131), (84, 3114754), (168, 1557377)]