7853778

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 17777760

約数和(自身を除く): 9923982

約数列:

[1, 2, 3, 6, 9, 18, 43, 73, 86, 129, 139, 146, 219, 258, 278, 387, 417, 438, 657, 774, 834, 1251, 1314, 2502, 3139, 5977, 6278, 9417, 10147, 11954, 17931, 18834, 20294, 28251, 30441, 35862, 53793, 56502, 60882, 91323, 107586, 182646, 436321, 872642, 1308963, 2617926, 3926889, 7853778]

約数ペア:

[(1, 7853778), (2, 3926889), (3, 2617926), (6, 1308963), (9, 872642), (18, 436321), (43, 182646), (73, 107586), (86, 91323), (129, 60882), (139, 56502), (146, 53793), (219, 35862), (258, 30441), (278, 28251), (387, 20294), (417, 18834), (438, 17931), (657, 11954), (774, 10147), (834, 9417), (1251, 6278), (1314, 5977), (2502, 3139)]