261001426

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{255383}}^1$

素因数の和:255465

約数の個数: 16

約数和(自身を含む): 453561984

約数和(自身を除く): 192560558

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 255383, 510766, 1787681, 3575362, 18642959, 37285918, 130500713, 261001426]

約数ペア:

[(1, 261001426), (2, 130500713), (7, 37285918), (14, 18642959), (73, 3575362), (146, 1787681), (511, 510766), (1022, 255383)]