28918490

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6869}}^1$

素因数の和:7297

約数の個数: 16

約数和(自身を含む): 52184520

約数和(自身を除く): 23266030

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 6869, 13738, 34345, 68690, 2891849, 5783698, 14459245, 28918490]

約数ペア:

[(1, 28918490), (2, 14459245), (5, 5783698), (10, 2891849), (421, 68690), (842, 34345), (2105, 13738), (4210, 6869)]