128289896

素因数分解:

$2^3\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{1861}}^1$

素因数の和:3105

約数の個数: 32

約数和(自身を含む): 275278080

約数和(自身を除く): 146988184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1231, 1861, 2462, 3722, 4924, 7444, 8617, 9848, 13027, 14888, 17234, 26054, 34468, 52108, 68936, 104216, 2290891, 4581782, 9163564, 16036237, 18327128, 32072474, 64144948, 128289896]

約数ペア:

[(1, 128289896), (2, 64144948), (4, 32072474), (7, 18327128), (8, 16036237), (14, 9163564), (28, 4581782), (56, 2290891), (1231, 104216), (1861, 68936), (2462, 52108), (3722, 34468), (4924, 26054), (7444, 17234), (8617, 14888), (9848, 13027)]