8956025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 12671064

約数和(自身を除く): 3715039

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 1621, 5525, 8105, 21073, 27557, 40525, 105365, 137785, 358241, 526825, 688925, 1791205, 8956025]

約数ペア:

[(1, 8956025), (5, 1791205), (13, 688925), (17, 526825), (25, 358241), (65, 137785), (85, 105365), (221, 40525), (325, 27557), (425, 21073), (1105, 8105), (1621, 5525)]