256171148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 497629440

約数和(自身を除く): 241458292

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 101, 202, 404, 437, 874, 1451, 1748, 1919, 2323, 2902, 3838, 4646, 5804, 7676, 9292, 27569, 33373, 44137, 55138, 66746, 88274, 110276, 133492, 146551, 176548, 293102, 586204, 634087, 1268174, 2536348, 2784469, 3370673, 5568938, 6741346, 11137876, 13482692, 64042787, 128085574, 256171148]

約数ペア:

[(1, 256171148), (2, 128085574), (4, 64042787), (19, 13482692), (23, 11137876), (38, 6741346), (46, 5568938), (76, 3370673), (92, 2784469), (101, 2536348), (202, 1268174), (404, 634087), (437, 586204), (874, 293102), (1451, 176548), (1748, 146551), (1919, 133492), (2323, 110276), (2902, 88274), (3838, 66746), (4646, 55138), (5804, 44137), (7676, 33373), (9292, 27569)]