2649025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 3642624

約数和(自身を除く): 993599

約数列:

[1, 5, 17, 23, 25, 85, 115, 271, 391, 425, 575, 1355, 1955, 4607, 6233, 6775, 9775, 23035, 31165, 105961, 115175, 155825, 529805, 2649025]

約数ペア:

[(1, 2649025), (5, 529805), (17, 155825), (23, 115175), (25, 105961), (85, 31165), (115, 23035), (271, 9775), (391, 6775), (425, 6233), (575, 4607), (1355, 1955)]