156285025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2441}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 209845944

約数和(自身を除く): 53560919

約数列:

[1, 5, 13, 25, 65, 197, 325, 985, 2441, 2561, 4925, 12205, 12805, 31733, 61025, 64025, 158665, 480877, 793325, 2404385, 6251401, 12021925, 31257005, 156285025]

約数ペア:

[(1, 156285025), (5, 31257005), (13, 12021925), (25, 6251401), (65, 2404385), (197, 793325), (325, 480877), (985, 158665), (2441, 64025), (2561, 61025), (4925, 31733), (12205, 12805)]