87280204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{180331}}^1$

素因数の和:180357

約数の個数: 18

約数和(自身を含む): 167889092

約数和(自身を除く): 80608888

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 180331, 360662, 721324, 1983641, 3967282, 7934564, 21820051, 43640102, 87280204]

約数ペア:

[(1, 87280204), (2, 43640102), (4, 21820051), (11, 7934564), (22, 3967282), (44, 1983641), (121, 721324), (242, 360662), (484, 180331)]