82711525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 111223784

約数和(自身を除く): 28512259

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 1621, 2041, 3925, 8105, 10205, 21073, 40525, 51025, 105365, 254497, 526825, 1272485, 3308461, 6362425, 16542305, 82711525]

約数ペア:

[(1, 82711525), (5, 16542305), (13, 6362425), (25, 3308461), (65, 1272485), (157, 526825), (325, 254497), (785, 105365), (1621, 51025), (2041, 40525), (3925, 21073), (8105, 10205)]