447217775

素因数分解:

$5^2\times {\mathrm{421}}^1\times {\mathrm{42491}}^1$

素因数の和:42922

約数の個数: 12

約数和(自身を含む): 555880344

約数和(自身を除く): 108662569

約数列:

[1, 5, 25, 421, 2105, 10525, 42491, 212455, 1062275, 17888711, 89443555, 447217775]

約数ペア:

[(1, 447217775), (5, 89443555), (25, 17888711), (421, 1062275), (2105, 212455), (10525, 42491)]