2019421925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{16217}}^1$

素因数の和:16537

約数の個数: 24

約数和(自身を含む): 2660595336

約数和(自身を除く): 641173411

約数列:

[1, 5, 17, 25, 85, 293, 425, 1465, 4981, 7325, 16217, 24905, 81085, 124525, 275689, 405425, 1378445, 4751581, 6892225, 23757905, 80776877, 118789525, 403884385, 2019421925]

約数ペア:

[(1, 2019421925), (5, 403884385), (17, 118789525), (25, 80776877), (85, 23757905), (293, 6892225), (425, 4751581), (1465, 1378445), (4981, 405425), (7325, 275689), (16217, 124525), (24905, 81085)]