28556906

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 53815752

約数和(自身を除く): 25258846

約数列:

[1, 2, 7, 14, 17, 34, 49, 61, 98, 119, 122, 238, 281, 427, 562, 833, 854, 1037, 1666, 1967, 2074, 2989, 3934, 4777, 5978, 7259, 9554, 13769, 14518, 17141, 27538, 33439, 34282, 50813, 66878, 101626, 119987, 234073, 239974, 291397, 468146, 582794, 839909, 1679818, 2039779, 4079558, 14278453, 28556906]

約数ペア:

[(1, 28556906), (2, 14278453), (7, 4079558), (14, 2039779), (17, 1679818), (34, 839909), (49, 582794), (61, 468146), (98, 291397), (119, 239974), (122, 234073), (238, 119987), (281, 101626), (427, 66878), (562, 50813), (833, 34282), (854, 33439), (1037, 27538), (1666, 17141), (1967, 14518), (2074, 13769), (2989, 9554), (3934, 7259), (4777, 5978)]