86486975

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{1871}}^1$

素因数の和:1967

約数の個数: 18

約数和(自身を含む): 109854576

約数和(自身を除く): 23367601

約数列:

[1, 5, 25, 43, 215, 1075, 1849, 1871, 9245, 9355, 46225, 46775, 80453, 402265, 2011325, 3459479, 17297395, 86486975]

約数ペア:

[(1, 86486975), (5, 17297395), (25, 3459479), (43, 2011325), (215, 402265), (1075, 80453), (1849, 46775), (1871, 46225), (9245, 9355)]