989103556

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{497537}}^1$

素因数の和:497619

約数の個数: 24

約数和(自身を含む): 2006073216

約数和(自身を除く): 1016969660

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 497537, 995074, 1990148, 3482759, 6965518, 13931036, 35325127, 70650254, 141300508, 247275889, 494551778, 989103556]

約数ペア:

[(1, 989103556), (2, 494551778), (4, 247275889), (7, 141300508), (14, 70650254), (28, 35325127), (71, 13931036), (142, 6965518), (284, 3482759), (497, 1990148), (994, 995074), (1988, 497537)]