261396606

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{399689}}^1$

素因数の和:399803

約数の個数: 16

約数和(自身を含む): 527590800

約数和(自身を除く): 266194194

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 399689, 799378, 1199067, 2398134, 43566101, 87132202, 130698303, 261396606]

約数ペア:

[(1, 261396606), (2, 130698303), (3, 87132202), (6, 43566101), (109, 2398134), (218, 1199067), (327, 799378), (654, 399689)]