257596794

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 774144000

約数和(自身を除く): 516547206

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 31, 38, 39, 42, 54, 57, 62, 63, 78, 89, 91, 93, 114, 117, 126, 133, 171, 178, 182, 186, 189, 217, 234, 247, 266, 267, 273, 279, 342, 351, 378, 399, 403, 434, 494, 513, 534, 546, 558, 589, 623, 651, 702, 741, 798, 801, 806, 819, 837, 1026, 1157, 1178, 1197, 1209, 1246, 1302, 1482, 1602, 1638, 1674, 1691, 1729, 1767, 1869, 1953, 2223, 2314, 2394, 2403, 2418, 2457, 2759, 2821, 3382, 3458, 3471, 3534, 3591, 3627, 3738, 3906, 4123, 4446, 4806, 4914, 5073, 5187, 5301, 5518, 5607, 5642, 5859, 6669, 6942, 7182, 7254, 7657, 8099, 8246, 8277, 8463, 10146, 10374, 10413, 10602, 10881, 11214, 11718, 11837, 12369, 13338, 15219, 15314, 15561, 15903, 16198, 16554, 16821, 16926, 19313, 20826, 21762, 21983, 22971, 23674, 24297, 24738, 24831, 25389, 30438, 31122, 31239, 31806, 33642, 35511, 35867, 37107, 38626, 43966, 45657, 45942, 46683, 48594, 49662, 50778, 52421, 53599, 57939, 62478, 65949, 68913, 71022, 71734, 72891, 74214, 74493, 76167, 91314, 93366, 104842, 106533, 107198, 107601, 111321, 115878, 131898, 137826, 145782, 148986, 152334, 153881, 157263, 160797, 173817, 197847, 206739, 213066, 215202, 218673, 222642, 251069, 307762, 314526, 319599, 321594, 322803, 347634, 366947, 395694, 413478, 437346, 461643, 471789, 482391, 502138, 521451, 593541, 639198, 645606, 681473, 733894, 753207, 923286, 943578, 964782, 968409, 1042902, 1100841, 1187082, 1362946, 1384929, 1415367, 1447173, 1506414, 1936818, 2044419, 2201682, 2259621, 2769858, 2830734, 2894346, 3302523, 4088838, 4154787, 4519242, 4770311, 6133257, 6605046, 6778863, 8309574, 9540622, 9907569, 12266514, 13557726, 14310933, 18399771, 19815138, 28621866, 36799542, 42932799, 85865598, 128798397, 257596794]

約数ペア:

[(1, 257596794), (2, 128798397), (3, 85865598), (6, 42932799), (7, 36799542), (9, 28621866), (13, 19815138), (14, 18399771), (18, 14310933), (19, 13557726), (21, 12266514), (26, 9907569), (27, 9540622), (31, 8309574), (38, 6778863), (39, 6605046), (42, 6133257), (54, 4770311), (57, 4519242), (62, 4154787), (63, 4088838), (78, 3302523), (89, 2894346), (91, 2830734), (93, 2769858), (114, 2259621), (117, 2201682), (126, 2044419), (133, 1936818), (171, 1506414), (178, 1447173), (182, 1415367), (186, 1384929), (189, 1362946), (217, 1187082), (234, 1100841), (247, 1042902), (266, 968409), (267, 964782), (273, 943578), (279, 923286), (342, 753207), (351, 733894), (378, 681473), (399, 645606), (403, 639198), (434, 593541), (494, 521451), (513, 502138), (534, 482391), (546, 471789), (558, 461643), (589, 437346), (623, 413478), (651, 395694), (702, 366947), (741, 347634), (798, 322803), (801, 321594), (806, 319599), (819, 314526), (837, 307762), (1026, 251069), (1157, 222642), (1178, 218673), (1197, 215202), (1209, 213066), (1246, 206739), (1302, 197847), (1482, 173817), (1602, 160797), (1638, 157263), (1674, 153881), (1691, 152334), (1729, 148986), (1767, 145782), (1869, 137826), (1953, 131898), (2223, 115878), (2314, 111321), (2394, 107601), (2403, 107198), (2418, 106533), (2457, 104842), (2759, 93366), (2821, 91314), (3382, 76167), (3458, 74493), (3471, 74214), (3534, 72891), (3591, 71734), (3627, 71022), (3738, 68913), (3906, 65949), (4123, 62478), (4446, 57939), (4806, 53599), (4914, 52421), (5073, 50778), (5187, 49662), (5301, 48594), (5518, 46683), (5607, 45942), (5642, 45657), (5859, 43966), (6669, 38626), (6942, 37107), (7182, 35867), (7254, 35511), (7657, 33642), (8099, 31806), (8246, 31239), (8277, 31122), (8463, 30438), (10146, 25389), (10374, 24831), (10413, 24738), (10602, 24297), (10881, 23674), (11214, 22971), (11718, 21983), (11837, 21762), (12369, 20826), (13338, 19313), (15219, 16926), (15314, 16821), (15561, 16554), (15903, 16198)]