81207265

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{827}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 100154880

約数和(自身を除く): 18947615

約数列:

[1, 5, 41, 205, 479, 827, 2395, 4135, 19639, 33907, 98195, 169535, 396133, 1980665, 16241453, 81207265]

約数ペア:

[(1, 81207265), (5, 16241453), (41, 1980665), (205, 396133), (479, 169535), (827, 98195), (2395, 33907), (4135, 19639)]