128474269

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 164376576

約数和(自身を除く): 35902307

約数列:

[1, 7, 11, 77, 97, 103, 167, 679, 721, 1067, 1133, 1169, 1837, 7469, 7931, 9991, 12859, 16199, 17201, 69937, 109901, 113393, 120407, 178189, 189211, 769307, 1247323, 1324477, 1668497, 11679479, 18353467, 128474269]

約数ペア:

[(1, 128474269), (7, 18353467), (11, 11679479), (77, 1668497), (97, 1324477), (103, 1247323), (167, 769307), (679, 189211), (721, 178189), (1067, 120407), (1133, 113393), (1169, 109901), (1837, 69937), (7469, 17201), (7931, 16199), (9991, 12859)]