1247291390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{2221}}^1$

素因数の和:2948

約数の個数: 32

約数和(自身を含む): 2274972480

約数和(自身を除く): 1027681090

約数列:

[1, 2, 5, 10, 89, 178, 445, 631, 890, 1262, 2221, 3155, 4442, 6310, 11105, 22210, 56159, 112318, 197669, 280795, 395338, 561590, 988345, 1401451, 1976690, 2802902, 7007255, 14014510, 124729139, 249458278, 623645695, 1247291390]

約数ペア:

[(1, 1247291390), (2, 623645695), (5, 249458278), (10, 124729139), (89, 14014510), (178, 7007255), (445, 2802902), (631, 1976690), (890, 1401451), (1262, 988345), (2221, 561590), (3155, 395338), (4442, 280795), (6310, 197669), (11105, 112318), (22210, 56159)]