201855025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1621}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 266092344

約数和(自身を除く): 64237319

約数列:

[1, 5, 17, 25, 85, 293, 425, 1465, 1621, 4981, 7325, 8105, 24905, 27557, 40525, 124525, 137785, 474953, 688925, 2374765, 8074201, 11873825, 40371005, 201855025]

約数ペア:

[(1, 201855025), (5, 40371005), (17, 11873825), (25, 8074201), (85, 2374765), (293, 688925), (425, 474953), (1465, 137785), (1621, 124525), (4981, 40525), (7325, 27557), (8105, 24905)]