78887886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 214042752

約数和(自身を除く): 135154866

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 43, 57, 66, 77, 86, 114, 121, 129, 133, 154, 209, 231, 242, 258, 266, 301, 361, 363, 399, 418, 462, 473, 602, 627, 722, 726, 798, 817, 847, 903, 946, 1083, 1254, 1419, 1463, 1634, 1694, 1806, 2166, 2299, 2451, 2527, 2541, 2838, 2926, 3311, 3971, 4389, 4598, 4902, 5054, 5082, 5203, 5719, 6622, 6897, 7581, 7942, 8778, 8987, 9933, 10406, 11438, 11913, 13794, 15162, 15523, 15609, 16093, 17157, 17974, 19866, 23826, 26961, 27797, 31046, 31218, 32186, 34314, 36421, 43681, 46569, 48279, 53922, 55594, 62909, 72842, 83391, 87362, 93138, 96558, 98857, 108661, 109263, 125818, 131043, 166782, 170753, 188727, 197714, 217322, 218526, 262086, 296571, 305767, 325983, 341506, 377454, 512259, 593142, 611534, 651966, 691999, 917301, 1024518, 1195271, 1383998, 1834602, 1878283, 2075997, 2390542, 3585813, 3756566, 4151994, 5634849, 7171626, 11269698, 13147981, 26295962, 39443943, 78887886]

約数ペア:

[(1, 78887886), (2, 39443943), (3, 26295962), (6, 13147981), (7, 11269698), (11, 7171626), (14, 5634849), (19, 4151994), (21, 3756566), (22, 3585813), (33, 2390542), (38, 2075997), (42, 1878283), (43, 1834602), (57, 1383998), (66, 1195271), (77, 1024518), (86, 917301), (114, 691999), (121, 651966), (129, 611534), (133, 593142), (154, 512259), (209, 377454), (231, 341506), (242, 325983), (258, 305767), (266, 296571), (301, 262086), (361, 218526), (363, 217322), (399, 197714), (418, 188727), (462, 170753), (473, 166782), (602, 131043), (627, 125818), (722, 109263), (726, 108661), (798, 98857), (817, 96558), (847, 93138), (903, 87362), (946, 83391), (1083, 72842), (1254, 62909), (1419, 55594), (1463, 53922), (1634, 48279), (1694, 46569), (1806, 43681), (2166, 36421), (2299, 34314), (2451, 32186), (2527, 31218), (2541, 31046), (2838, 27797), (2926, 26961), (3311, 23826), (3971, 19866), (4389, 17974), (4598, 17157), (4902, 16093), (5054, 15609), (5082, 15523), (5203, 15162), (5719, 13794), (6622, 11913), (6897, 11438), (7581, 10406), (7942, 9933), (8778, 8987)]