2558143

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 3274992

約数和(自身を除く): 716849

約数列:

[1, 7, 17, 37, 49, 83, 119, 259, 581, 629, 833, 1411, 1813, 3071, 4067, 4403, 9877, 21497, 30821, 52207, 69139, 150479, 365449, 2558143]

約数ペア:

[(1, 2558143), (7, 365449), (17, 150479), (37, 69139), (49, 52207), (83, 30821), (119, 21497), (259, 9877), (581, 4403), (629, 4067), (833, 3071), (1411, 1813)]