127888025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4933}}^1$

素因数の和:5021

約数の個数: 24

約数和(自身を含む): 170696664

約数和(自身を除く): 42808639

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1525, 4933, 5185, 24665, 25925, 83861, 123325, 300913, 419305, 1504565, 2096525, 5115521, 7522825, 25577605, 127888025]

約数ペア:

[(1, 127888025), (5, 25577605), (17, 7522825), (25, 5115521), (61, 2096525), (85, 1504565), (305, 419305), (425, 300913), (1037, 123325), (1525, 83861), (4933, 25925), (5185, 24665)]