28122017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{701}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 35178624

約数和(自身を除く): 7056607

約数列:

[1, 7, 11, 77, 521, 701, 3647, 4907, 5731, 7711, 40117, 53977, 365221, 2556547, 4017431, 28122017]

約数ペア:

[(1, 28122017), (7, 4017431), (11, 2556547), (77, 365221), (521, 53977), (701, 40117), (3647, 7711), (4907, 5731)]