87481655

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 106649568

約数和(自身を除く): 19167913

約数列:

[1, 5, 101, 211, 505, 821, 1055, 4105, 21311, 82921, 106555, 173231, 414605, 866155, 17496331, 87481655]

約数ペア:

[(1, 87481655), (5, 17496331), (101, 866155), (211, 414605), (505, 173231), (821, 106555), (1055, 82921), (4105, 21311)]