127799090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{161771}}^1$

素因数の和:161857

約数の個数: 16

約数和(自身を含む): 232951680

約数和(自身を除く): 105152590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 161771, 323542, 808855, 1617710, 12779909, 25559818, 63899545, 127799090]

約数ペア:

[(1, 127799090), (2, 63899545), (5, 25559818), (10, 12779909), (79, 1617710), (158, 808855), (395, 323542), (790, 161771)]