2557917978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 6894720000

約数和(自身を除く): 4336802022

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 59, 66, 77, 114, 118, 121, 133, 154, 177, 209, 231, 242, 266, 354, 363, 399, 413, 418, 449, 462, 627, 649, 726, 798, 826, 847, 898, 1121, 1239, 1254, 1298, 1347, 1463, 1694, 1947, 2242, 2299, 2478, 2541, 2694, 2926, 3143, 3363, 3894, 4389, 4543, 4598, 4939, 5082, 6286, 6726, 6897, 7139, 7847, 8531, 8778, 9086, 9429, 9878, 12331, 13629, 13794, 14278, 14817, 15694, 16093, 17062, 18858, 21417, 23541, 24662, 25593, 26491, 27258, 29634, 32186, 34573, 36993, 42834, 47082, 48279, 49973, 51186, 52982, 54329, 59717, 69146, 73986, 79473, 86317, 93841, 96558, 99946, 103719, 108658, 119434, 135641, 149919, 158946, 162987, 172634, 179151, 185437, 187682, 207438, 258951, 271282, 281523, 291401, 299838, 325974, 358302, 370874, 380303, 406923, 503329, 517902, 556311, 563046, 582802, 656887, 760606, 813846, 874203, 949487, 1006658, 1032251, 1112622, 1140909, 1313774, 1509987, 1748406, 1898974, 1970661, 2039807, 2064502, 2281818, 2848461, 3019974, 3096753, 3205411, 3523303, 3941322, 4079614, 5536619, 5696922, 6119421, 6193506, 6410822, 7046606, 7225757, 9616233, 10569909, 11073238, 12238842, 14451514, 16609857, 19232466, 21139818, 21677271, 22437877, 33219714, 38756333, 43354542, 44875754, 60902809, 67313631, 77512666, 116268999, 121805618, 134627262, 182708427, 232537998, 365416854, 426319663, 852639326, 1278958989, 2557917978]

約数ペア:

[(1, 2557917978), (2, 1278958989), (3, 852639326), (6, 426319663), (7, 365416854), (11, 232537998), (14, 182708427), (19, 134627262), (21, 121805618), (22, 116268999), (33, 77512666), (38, 67313631), (42, 60902809), (57, 44875754), (59, 43354542), (66, 38756333), (77, 33219714), (114, 22437877), (118, 21677271), (121, 21139818), (133, 19232466), (154, 16609857), (177, 14451514), (209, 12238842), (231, 11073238), (242, 10569909), (266, 9616233), (354, 7225757), (363, 7046606), (399, 6410822), (413, 6193506), (418, 6119421), (449, 5696922), (462, 5536619), (627, 4079614), (649, 3941322), (726, 3523303), (798, 3205411), (826, 3096753), (847, 3019974), (898, 2848461), (1121, 2281818), (1239, 2064502), (1254, 2039807), (1298, 1970661), (1347, 1898974), (1463, 1748406), (1694, 1509987), (1947, 1313774), (2242, 1140909), (2299, 1112622), (2478, 1032251), (2541, 1006658), (2694, 949487), (2926, 874203), (3143, 813846), (3363, 760606), (3894, 656887), (4389, 582802), (4543, 563046), (4598, 556311), (4939, 517902), (5082, 503329), (6286, 406923), (6726, 380303), (6897, 370874), (7139, 358302), (7847, 325974), (8531, 299838), (8778, 291401), (9086, 281523), (9429, 271282), (9878, 258951), (12331, 207438), (13629, 187682), (13794, 185437), (14278, 179151), (14817, 172634), (15694, 162987), (16093, 158946), (17062, 149919), (18858, 135641), (21417, 119434), (23541, 108658), (24662, 103719), (25593, 99946), (26491, 96558), (27258, 93841), (29634, 86317), (32186, 79473), (34573, 73986), (36993, 69146), (42834, 59717), (47082, 54329), (48279, 52982), (49973, 51186)]