284721025

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{21529}}^1$

素因数の和:21585

約数の個数: 18

約数和(自身を含む): 369088790

約数和(自身を除く): 84367765

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 13225, 21529, 107645, 495167, 538225, 2475835, 11388841, 12379175, 56944205, 284721025]

約数ペア:

[(1, 284721025), (5, 56944205), (23, 12379175), (25, 11388841), (115, 2475835), (529, 538225), (575, 495167), (2645, 107645), (13225, 21529)]