12989870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 25347168

約数和(自身を除く): 12357298

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 1777, 3554, 3655, 7310, 8885, 17770, 30209, 60418, 76411, 151045, 152822, 302090, 382055, 764110, 1298987, 2597974, 6494935, 12989870]

約数ペア:

[(1, 12989870), (2, 6494935), (5, 2597974), (10, 1298987), (17, 764110), (34, 382055), (43, 302090), (85, 152822), (86, 151045), (170, 76411), (215, 60418), (430, 30209), (731, 17770), (1462, 8885), (1777, 7310), (3554, 3655)]