1990773778

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{7829}}^1$

素因数の和:8322

約数の個数: 32

約数和(自身を含む): 3504332160

約数和(自身を除く): 1513558382

約数列:

[1, 2, 7, 14, 41, 82, 287, 443, 574, 886, 3101, 6202, 7829, 15658, 18163, 36326, 54803, 109606, 127141, 254282, 320989, 641978, 2246923, 3468247, 4493846, 6936494, 24277729, 48555458, 142198127, 284396254, 995386889, 1990773778]

約数ペア:

[(1, 1990773778), (2, 995386889), (7, 284396254), (14, 142198127), (41, 48555458), (82, 24277729), (287, 6936494), (443, 4493846), (574, 3468247), (886, 2246923), (3101, 641978), (6202, 320989), (7829, 254282), (15658, 127141), (18163, 109606), (36326, 54803)]