56816975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3179

約数の個数: 24

約数和(自身を含む): 76356720

約数和(自身を除く): 19539745

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3109, 3655, 15545, 18275, 52853, 77725, 133687, 264265, 668435, 1321325, 2272679, 3342175, 11363395, 56816975]

約数ペア:

[(1, 56816975), (5, 11363395), (17, 3342175), (25, 2272679), (43, 1321325), (85, 668435), (215, 264265), (425, 133687), (731, 77725), (1075, 52853), (3109, 18275), (3655, 15545)]