2021630390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1196231}}^1$

素因数の和:1196264

約数の個数: 24

約数和(自身を含む): 3940388208

約数和(自身を除く): 1918757818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 1196231, 2392462, 5981155, 11962310, 15551003, 31102006, 77755015, 155510030, 202163039, 404326078, 1010815195, 2021630390]

約数ペア:

[(1, 2021630390), (2, 1010815195), (5, 404326078), (10, 202163039), (13, 155510030), (26, 77755015), (65, 31102006), (130, 15551003), (169, 11962310), (338, 5981155), (845, 2392462), (1690, 1196231)]