42638945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3392

約数の個数: 16

約数和(自身を含む): 54264000

約数和(自身を除く): 11625055

約数列:

[1, 5, 19, 95, 139, 695, 2641, 3229, 13205, 16145, 61351, 306755, 448831, 2244155, 8527789, 42638945]

約数ペア:

[(1, 42638945), (5, 8527789), (19, 2244155), (95, 448831), (139, 306755), (695, 61351), (2641, 16145), (3229, 13205)]