81475285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{911}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 101210112

約数和(自身を除く): 19734827

約数列:

[1, 5, 31, 155, 577, 911, 2885, 4555, 17887, 28241, 89435, 141205, 525647, 2628235, 16295057, 81475285]

約数ペア:

[(1, 81475285), (5, 16295057), (31, 2628235), (155, 525647), (577, 141205), (911, 89435), (2885, 28241), (4555, 17887)]