131907908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{272537}}^1$

素因数の和:272563

約数の個数: 18

約数和(自身を含む): 253732878

約数和(自身を除く): 121824970

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 272537, 545074, 1090148, 2997907, 5995814, 11991628, 32976977, 65953954, 131907908]

約数ペア:

[(1, 131907908), (2, 65953954), (4, 32976977), (11, 11991628), (22, 5995814), (44, 2997907), (121, 1090148), (242, 545074), (484, 272537)]