206857854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 550502400

約数和(自身を除く): 343644546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 127, 139, 186, 189, 217, 254, 278, 279, 378, 381, 417, 434, 558, 651, 762, 834, 837, 889, 973, 1143, 1251, 1302, 1674, 1778, 1946, 1953, 2286, 2502, 2667, 2919, 3429, 3753, 3906, 3937, 4309, 5334, 5838, 5859, 6858, 7506, 7874, 8001, 8618, 8757, 11718, 11811, 12927, 16002, 17514, 17653, 23622, 24003, 25854, 26271, 27559, 30163, 35306, 35433, 38781, 48006, 52542, 52959, 55118, 60326, 70866, 77562, 82677, 90489, 105918, 106299, 116343, 123571, 158877, 165354, 180978, 212598, 232686, 247142, 248031, 271467, 317754, 370713, 476631, 496062, 542934, 547243, 741426, 744093, 814401, 953262, 1094486, 1112139, 1488186, 1628802, 1641729, 2224278, 3283458, 3336417, 3830701, 4925187, 6672834, 7661402, 9850374, 11492103, 14775561, 22984206, 29551122, 34476309, 68952618, 103428927, 206857854]

約数ペア:

[(1, 206857854), (2, 103428927), (3, 68952618), (6, 34476309), (7, 29551122), (9, 22984206), (14, 14775561), (18, 11492103), (21, 9850374), (27, 7661402), (31, 6672834), (42, 4925187), (54, 3830701), (62, 3336417), (63, 3283458), (93, 2224278), (126, 1641729), (127, 1628802), (139, 1488186), (186, 1112139), (189, 1094486), (217, 953262), (254, 814401), (278, 744093), (279, 741426), (378, 547243), (381, 542934), (417, 496062), (434, 476631), (558, 370713), (651, 317754), (762, 271467), (834, 248031), (837, 247142), (889, 232686), (973, 212598), (1143, 180978), (1251, 165354), (1302, 158877), (1674, 123571), (1778, 116343), (1946, 106299), (1953, 105918), (2286, 90489), (2502, 82677), (2667, 77562), (2919, 70866), (3429, 60326), (3753, 55118), (3906, 52959), (3937, 52542), (4309, 48006), (5334, 38781), (5838, 35433), (5859, 35306), (6858, 30163), (7506, 27559), (7874, 26271), (8001, 25854), (8618, 24003), (8757, 23622), (11718, 17653), (11811, 17514), (12927, 16002)]