858480025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{155381}}^1$

素因数の和:155421

約数の個数: 24

約数和(自身を含む): 1213844184

約数和(自身を除く): 355364159

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 155381, 776905, 2019953, 2641477, 3884525, 10099765, 13207385, 34339201, 50498825, 66036925, 171696005, 858480025]

約数ペア:

[(1, 858480025), (5, 171696005), (13, 66036925), (17, 50498825), (25, 34339201), (65, 13207385), (85, 10099765), (221, 3884525), (325, 2641477), (425, 2019953), (1105, 776905), (5525, 155381)]