128910431

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 147563136

約数和(自身を除く): 18652705

約数列:

[1, 13, 31, 43, 173, 403, 559, 1333, 1849, 2249, 5363, 7439, 17329, 24037, 57319, 69719, 96707, 230609, 319877, 745147, 2997917, 4158401, 9916187, 128910431]

約数ペア:

[(1, 128910431), (13, 9916187), (31, 4158401), (43, 2997917), (173, 745147), (403, 319877), (559, 230609), (1333, 96707), (1849, 69719), (2249, 57319), (5363, 24037), (7439, 17329)]