172708081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 241274880

約数和(自身を除く): 68566799

約数列:

[1, 7, 13, 19, 23, 43, 91, 101, 133, 161, 247, 299, 301, 437, 559, 707, 817, 989, 1313, 1729, 1919, 2093, 2323, 3059, 3913, 4343, 5681, 5719, 6923, 9191, 10621, 12857, 13433, 16261, 18791, 24947, 30199, 30401, 39767, 44137, 56459, 74347, 82517, 89999, 99889, 131537, 174629, 211393, 244283, 308959, 395213, 573781, 577619, 699223, 1072721, 1298557, 1709981, 1897891, 4016467, 7509047, 9089899, 13285237, 24672583, 172708081]

約数ペア:

[(1, 172708081), (7, 24672583), (13, 13285237), (19, 9089899), (23, 7509047), (43, 4016467), (91, 1897891), (101, 1709981), (133, 1298557), (161, 1072721), (247, 699223), (299, 577619), (301, 573781), (437, 395213), (559, 308959), (707, 244283), (817, 211393), (989, 174629), (1313, 131537), (1729, 99889), (1919, 89999), (2093, 82517), (2323, 74347), (3059, 56459), (3913, 44137), (4343, 39767), (5681, 30401), (5719, 30199), (6923, 24947), (9191, 18791), (10621, 16261), (12857, 13433)]