127681490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{440281}}^1$

素因数の和:440317

約数の個数: 16

約数和(自身を含む): 237752280

約数和(自身を除く): 110070790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 440281, 880562, 2201405, 4402810, 12768149, 25536298, 63840745, 127681490]

約数ペア:

[(1, 127681490), (2, 63840745), (5, 25536298), (10, 12768149), (29, 4402810), (58, 2201405), (145, 880562), (290, 440281)]