81904445

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{8269}}^1$

素因数の和:8564

約数の個数: 16

約数和(自身を含む): 112736640

約数和(自身を除く): 30832195

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 8269, 9905, 41345, 57883, 289415, 2340127, 11700635, 16380889, 81904445]

約数ペア:

[(1, 81904445), (5, 16380889), (7, 11700635), (35, 2340127), (283, 289415), (1415, 57883), (1981, 41345), (8269, 9905)]