2660890556

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{810259}}^1$

素因数の和:811084

約数の個数: 12

約数和(自身を含む): 4662236040

約数和(自身を除く): 2001345484

約数列:

[1, 2, 4, 821, 1642, 3284, 810259, 1620518, 3241036, 665222639, 1330445278, 2660890556]

約数ペア:

[(1, 2660890556), (2, 1330445278), (4, 665222639), (821, 3241036), (1642, 1620518), (3284, 810259)]