8979894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 26557440

約数和(自身を除く): 17577546

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 31, 33, 38, 42, 57, 62, 63, 66, 77, 93, 99, 114, 121, 126, 133, 154, 171, 186, 198, 209, 217, 231, 242, 266, 279, 341, 342, 363, 399, 418, 434, 462, 558, 589, 627, 651, 682, 693, 726, 798, 847, 1023, 1089, 1178, 1197, 1254, 1302, 1386, 1463, 1694, 1767, 1881, 1953, 2046, 2178, 2299, 2387, 2394, 2541, 2926, 3069, 3534, 3751, 3762, 3906, 4123, 4389, 4598, 4774, 5082, 5301, 6138, 6479, 6897, 7161, 7502, 7623, 8246, 8778, 10602, 11253, 12369, 12958, 13167, 13794, 14322, 15246, 16093, 19437, 20691, 21483, 22506, 24738, 26257, 26334, 32186, 33759, 37107, 38874, 41382, 42966, 45353, 48279, 52514, 58311, 67518, 71269, 74214, 78771, 90706, 96558, 116622, 136059, 142538, 144837, 157542, 213807, 236313, 272118, 289674, 408177, 427614, 472626, 498883, 641421, 816354, 997766, 1282842, 1496649, 2993298, 4489947, 8979894]

約数ペア:

[(1, 8979894), (2, 4489947), (3, 2993298), (6, 1496649), (7, 1282842), (9, 997766), (11, 816354), (14, 641421), (18, 498883), (19, 472626), (21, 427614), (22, 408177), (31, 289674), (33, 272118), (38, 236313), (42, 213807), (57, 157542), (62, 144837), (63, 142538), (66, 136059), (77, 116622), (93, 96558), (99, 90706), (114, 78771), (121, 74214), (126, 71269), (133, 67518), (154, 58311), (171, 52514), (186, 48279), (198, 45353), (209, 42966), (217, 41382), (231, 38874), (242, 37107), (266, 33759), (279, 32186), (341, 26334), (342, 26257), (363, 24738), (399, 22506), (418, 21483), (434, 20691), (462, 19437), (558, 16093), (589, 15246), (627, 14322), (651, 13794), (682, 13167), (693, 12958), (726, 12369), (798, 11253), (847, 10602), (1023, 8778), (1089, 8246), (1178, 7623), (1197, 7502), (1254, 7161), (1302, 6897), (1386, 6479), (1463, 6138), (1694, 5301), (1767, 5082), (1881, 4774), (1953, 4598), (2046, 4389), (2178, 4123), (2299, 3906), (2387, 3762), (2394, 3751), (2541, 3534), (2926, 3069)]