128290274

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{398417}}^1$

素因数の和:398449

約数の個数: 16

約数和(自身を含む): 229488768

約数和(自身を除く): 101198494

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 398417, 796834, 2788919, 5577838, 9163591, 18327182, 64145137, 128290274]

約数ペア:

[(1, 128290274), (2, 64145137), (7, 18327182), (14, 9163591), (23, 5577838), (46, 2788919), (161, 796834), (322, 398417)]