128256436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{416417}}^1$

素因数の和:416439

約数の個数: 24

約数和(自身を含む): 279832896

約数和(自身を除く): 151576460

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 416417, 832834, 1665668, 2914919, 4580587, 5829838, 9161174, 11659676, 18322348, 32064109, 64128218, 128256436]

約数ペア:

[(1, 128256436), (2, 64128218), (4, 32064109), (7, 18322348), (11, 11659676), (14, 9161174), (22, 5829838), (28, 4580587), (44, 2914919), (77, 1665668), (154, 832834), (308, 416417)]