79438490

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{18869}}^1$

素因数の和:19297

約数の個数: 16

約数和(自身を含む): 143336520

約数和(自身を除く): 63898030

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 18869, 37738, 94345, 188690, 7943849, 15887698, 39719245, 79438490]

約数ペア:

[(1, 79438490), (2, 39719245), (5, 15887698), (10, 7943849), (421, 188690), (842, 94345), (2105, 37738), (4210, 18869)]