2151785454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6691}}^1$

素因数の和:6766

約数の個数: 128

約数和(自身を含む): 5756190720

約数和(自身を除く): 3604405266

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 31, 38, 39, 42, 57, 62, 78, 91, 93, 114, 133, 182, 186, 217, 247, 266, 273, 399, 403, 434, 494, 546, 589, 651, 741, 798, 806, 1178, 1209, 1302, 1482, 1729, 1767, 2418, 2821, 3458, 3534, 4123, 5187, 5642, 6691, 7657, 8246, 8463, 10374, 12369, 13382, 15314, 16926, 20073, 22971, 24738, 40146, 45942, 46837, 53599, 86983, 93674, 107198, 127129, 140511, 160797, 173966, 207421, 254258, 260949, 281022, 321594, 381387, 414842, 521898, 608881, 622263, 762774, 889903, 1217762, 1244526, 1451947, 1652677, 1779806, 1826643, 2669709, 2696473, 2903894, 3305354, 3653286, 3940999, 4355841, 4958031, 5339418, 5392946, 7881998, 8089419, 8711682, 9916062, 11568739, 11822997, 16178838, 18875311, 23137478, 23645994, 27586993, 34706217, 37750622, 51232987, 55173986, 56625933, 69412434, 82760979, 102465974, 113251866, 153698961, 165521958, 307397922, 358630909, 717261818, 1075892727, 2151785454]

約数ペア:

[(1, 2151785454), (2, 1075892727), (3, 717261818), (6, 358630909), (7, 307397922), (13, 165521958), (14, 153698961), (19, 113251866), (21, 102465974), (26, 82760979), (31, 69412434), (38, 56625933), (39, 55173986), (42, 51232987), (57, 37750622), (62, 34706217), (78, 27586993), (91, 23645994), (93, 23137478), (114, 18875311), (133, 16178838), (182, 11822997), (186, 11568739), (217, 9916062), (247, 8711682), (266, 8089419), (273, 7881998), (399, 5392946), (403, 5339418), (434, 4958031), (494, 4355841), (546, 3940999), (589, 3653286), (651, 3305354), (741, 2903894), (798, 2696473), (806, 2669709), (1178, 1826643), (1209, 1779806), (1302, 1652677), (1482, 1451947), (1729, 1244526), (1767, 1217762), (2418, 889903), (2821, 762774), (3458, 622263), (3534, 608881), (4123, 521898), (5187, 414842), (5642, 381387), (6691, 321594), (7657, 281022), (8246, 260949), (8463, 254258), (10374, 207421), (12369, 173966), (13382, 160797), (15314, 140511), (16926, 127129), (20073, 107198), (22971, 93674), (24738, 86983), (40146, 53599), (45942, 46837)]