2005031

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 2585520

約数和(自身を除く): 580489

約数列:

[1, 7, 17, 29, 49, 83, 119, 203, 493, 581, 833, 1411, 1421, 2407, 3451, 4067, 9877, 16849, 24157, 40919, 69139, 117943, 286433, 2005031]

約数ペア:

[(1, 2005031), (7, 286433), (17, 117943), (29, 69139), (49, 40919), (83, 24157), (119, 16849), (203, 9877), (493, 4067), (581, 3451), (833, 2407), (1411, 1421)]