90171145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{22571}}^1$

素因数の和:22640

約数の個数: 16

約数和(自身を含む): 117013248

約数和(自身を除く): 26842103

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 22571, 112855, 383707, 1060837, 1918535, 5304185, 18034229, 90171145]

約数ペア:

[(1, 90171145), (5, 18034229), (17, 5304185), (47, 1918535), (85, 1060837), (235, 383707), (799, 112855), (3995, 22571)]