201889468

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{417127}}^1$

素因数の和:417153

約数の個数: 18

約数和(自身を含む): 388346168

約数和(自身を除く): 186456700

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 417127, 834254, 1668508, 4588397, 9176794, 18353588, 50472367, 100944734, 201889468]

約数ペア:

[(1, 201889468), (2, 100944734), (4, 50472367), (11, 18353588), (22, 9176794), (44, 4588397), (121, 1668508), (242, 834254), (484, 417127)]