51991525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 69263424

約数和(自身を除く): 17271899

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1723, 1775, 6035, 8615, 29291, 30175, 43075, 122333, 146455, 611665, 732275, 2079661, 3058325, 10398305, 51991525]

約数ペア:

[(1, 51991525), (5, 10398305), (17, 3058325), (25, 2079661), (71, 732275), (85, 611665), (355, 146455), (425, 122333), (1207, 43075), (1723, 30175), (1775, 29291), (6035, 8615)]