210966985

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{2351}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 257064192

約数和(自身を除く): 46097207

約数列:

[1, 5, 131, 137, 655, 685, 2351, 11755, 17947, 89735, 307981, 322087, 1539905, 1610435, 42193397, 210966985]

約数ペア:

[(1, 210966985), (5, 42193397), (131, 1610435), (137, 1539905), (655, 322087), (685, 307981), (2351, 89735), (11755, 17947)]