128841490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{444281}}^1$

素因数の和:444317

約数の個数: 16

約数和(自身を含む): 239912280

約数和(自身を除く): 111070790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 444281, 888562, 2221405, 4442810, 12884149, 25768298, 64420745, 128841490]

約数ペア:

[(1, 128841490), (2, 64420745), (5, 25768298), (10, 12884149), (29, 4442810), (58, 2221405), (145, 888562), (290, 444281)]