128876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 257040

約数和(自身を除く): 128164

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 101, 116, 202, 319, 404, 638, 1111, 1276, 2222, 2929, 4444, 5858, 11716, 32219, 64438, 128876]

約数ペア:

[(1, 128876), (2, 64438), (4, 32219), (11, 11716), (22, 5858), (29, 4444), (44, 2929), (58, 2222), (101, 1276), (116, 1111), (202, 638), (319, 404)]