28796742

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 77414400

約数和(自身を除く): 48617658

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 27, 34, 38, 39, 51, 54, 57, 78, 102, 114, 117, 127, 153, 171, 221, 234, 247, 254, 306, 323, 342, 351, 381, 442, 459, 494, 513, 646, 663, 702, 741, 762, 918, 969, 1026, 1143, 1326, 1482, 1651, 1938, 1989, 2159, 2223, 2286, 2413, 2907, 3302, 3429, 3978, 4199, 4318, 4446, 4826, 4953, 5814, 5967, 6477, 6669, 6858, 7239, 8398, 8721, 9906, 11934, 12597, 12954, 13338, 14478, 14859, 17442, 19431, 21717, 25194, 28067, 29718, 31369, 37791, 38862, 41021, 43434, 44577, 56134, 58293, 62738, 65151, 75582, 82042, 84201, 89154, 94107, 113373, 116586, 123063, 130302, 168402, 188214, 226746, 246126, 252603, 282321, 369189, 505206, 533273, 564642, 738378, 757809, 846963, 1066546, 1107567, 1515618, 1599819, 1693926, 2215134, 3199638, 4799457, 9598914, 14398371, 28796742]

約数ペア:

[(1, 28796742), (2, 14398371), (3, 9598914), (6, 4799457), (9, 3199638), (13, 2215134), (17, 1693926), (18, 1599819), (19, 1515618), (26, 1107567), (27, 1066546), (34, 846963), (38, 757809), (39, 738378), (51, 564642), (54, 533273), (57, 505206), (78, 369189), (102, 282321), (114, 252603), (117, 246126), (127, 226746), (153, 188214), (171, 168402), (221, 130302), (234, 123063), (247, 116586), (254, 113373), (306, 94107), (323, 89154), (342, 84201), (351, 82042), (381, 75582), (442, 65151), (459, 62738), (494, 58293), (513, 56134), (646, 44577), (663, 43434), (702, 41021), (741, 38862), (762, 37791), (918, 31369), (969, 29718), (1026, 28067), (1143, 25194), (1326, 21717), (1482, 19431), (1651, 17442), (1938, 14859), (1989, 14478), (2159, 13338), (2223, 12954), (2286, 12597), (2413, 11934), (2907, 9906), (3302, 8721), (3429, 8398), (3978, 7239), (4199, 6858), (4318, 6669), (4446, 6477), (4826, 5967), (4953, 5814)]