68688415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18793}}^1$

素因数の和:18858

約数の個数: 16

約数和(自身を含む): 89309088

約数和(自身を除く): 20620673

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 18793, 93965, 319481, 808099, 1597405, 4040495, 13737683, 68688415]

約数ペア:

[(1, 68688415), (5, 13737683), (17, 4040495), (43, 1597405), (85, 808099), (215, 319481), (731, 93965), (3655, 18793)]