15707556

素因数分解:

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

素因数の和:265

約数の個数: 72

約数和(自身を含む): 41481440

約数和(自身を除く): 25773884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 129, 139, 146, 172, 219, 258, 278, 292, 387, 417, 438, 516, 556, 657, 774, 834, 876, 1251, 1314, 1548, 1668, 2502, 2628, 3139, 5004, 5977, 6278, 9417, 10147, 11954, 12556, 17931, 18834, 20294, 23908, 28251, 30441, 35862, 37668, 40588, 53793, 56502, 60882, 71724, 91323, 107586, 113004, 121764, 182646, 215172, 365292, 436321, 872642, 1308963, 1745284, 2617926, 3926889, 5235852, 7853778, 15707556]

約数ペア:

[(1, 15707556), (2, 7853778), (3, 5235852), (4, 3926889), (6, 2617926), (9, 1745284), (12, 1308963), (18, 872642), (36, 436321), (43, 365292), (73, 215172), (86, 182646), (129, 121764), (139, 113004), (146, 107586), (172, 91323), (219, 71724), (258, 60882), (278, 56502), (292, 53793), (387, 40588), (417, 37668), (438, 35862), (516, 30441), (556, 28251), (657, 23908), (774, 20294), (834, 18834), (876, 17931), (1251, 12556), (1314, 11954), (1548, 10147), (1668, 9417), (2502, 6278), (2628, 5977), (3139, 5004)]