67986025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 86682200

約数和(自身を除く): 18696175

約数列:

[1, 5, 25, 61, 109, 305, 409, 545, 1525, 2045, 2725, 6649, 10225, 24949, 33245, 44581, 124745, 166225, 222905, 623725, 1114525, 2719441, 13597205, 67986025]

約数ペア:

[(1, 67986025), (5, 13597205), (25, 2719441), (61, 1114525), (109, 623725), (305, 222905), (409, 166225), (545, 124745), (1525, 44581), (2045, 33245), (2725, 24949), (6649, 10225)]