28658855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7841}}^1$

素因数の和:7906

約数の個数: 16

約数和(自身を含む): 37265184

約数和(自身を除く): 8606329

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 7841, 39205, 133297, 337163, 666485, 1685815, 5731771, 28658855]

約数ペア:

[(1, 28658855), (5, 5731771), (17, 1685815), (43, 666485), (85, 337163), (215, 133297), (731, 39205), (3655, 7841)]