261309818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1\times {\mathrm{1459}}^1$

素因数の和:2642

約数の個数: 32

約数和(自身を含む): 489438720

約数和(自身を除く): 228128902

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1163, 1459, 2326, 2918, 8141, 10213, 12793, 16049, 16282, 20426, 25586, 32098, 89551, 112343, 179102, 224686, 1696817, 3393634, 11877719, 18664987, 23755438, 37329974, 130654909, 261309818]

約数ペア:

[(1, 261309818), (2, 130654909), (7, 37329974), (11, 23755438), (14, 18664987), (22, 11877719), (77, 3393634), (154, 1696817), (1163, 224686), (1459, 179102), (2326, 112343), (2918, 89551), (8141, 32098), (10213, 25586), (12793, 20426), (16049, 16282)]