65101025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{21521}}^1$

素因数の和:21553

約数の個数: 18

約数和(自身を含む): 88735206

約数和(自身を除く): 23634181

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 21521, 107605, 236731, 538025, 1183655, 2604041, 5918275, 13020205, 65101025]

約数ペア:

[(1, 65101025), (5, 13020205), (11, 5918275), (25, 2604041), (55, 1183655), (121, 538025), (275, 236731), (605, 107605), (3025, 21521)]