12271025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2221}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 17358264

約数和(自身を除く): 5087239

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2221, 5525, 11105, 28873, 37757, 55525, 144365, 188785, 490841, 721825, 943925, 2454205, 12271025]

約数ペア:

[(1, 12271025), (5, 2454205), (13, 943925), (17, 721825), (25, 490841), (65, 188785), (85, 144365), (221, 55525), (325, 37757), (425, 28873), (1105, 11105), (2221, 5525)]