28187575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 38535728

約数和(自身を除く): 10348153

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2017, 2795, 10085, 13975, 26221, 50425, 86731, 131105, 433655, 655525, 1127503, 2168275, 5637515, 28187575]

約数ペア:

[(1, 28187575), (5, 5637515), (13, 2168275), (25, 1127503), (43, 655525), (65, 433655), (215, 131105), (325, 86731), (559, 50425), (1075, 26221), (2017, 13975), (2795, 10085)]