1247705856

素因数分解:

$2^8\times 3^5\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 216

約数和(自身を含む): 3856978944

約数和(自身を除く): 2609273088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 243, 248, 256, 279, 288, 324, 372, 384, 432, 486, 496, 558, 576, 647, 648, 744, 768, 837, 864, 972, 992, 1116, 1152, 1294, 1296, 1488, 1674, 1728, 1941, 1944, 1984, 2232, 2304, 2511, 2588, 2592, 2976, 3348, 3456, 3882, 3888, 3968, 4464, 5022, 5176, 5184, 5823, 5952, 6696, 6912, 7533, 7764, 7776, 7936, 8928, 10044, 10352, 10368, 11646, 11904, 13392, 15066, 15528, 15552, 17469, 17856, 20057, 20088, 20704, 20736, 23292, 23808, 26784, 30132, 31056, 31104, 34938, 35712, 40114, 40176, 41408, 46584, 52407, 53568, 60171, 60264, 62112, 62208, 69876, 71424, 80228, 80352, 82816, 93168, 104814, 107136, 120342, 120528, 124224, 139752, 157221, 160456, 160704, 165632, 180513, 186336, 209628, 214272, 240684, 241056, 248448, 279504, 314442, 320912, 321408, 361026, 372672, 419256, 481368, 482112, 496896, 541539, 559008, 628884, 641824, 642816, 722052, 745344, 838512, 962736, 964224, 1083078, 1118016, 1257768, 1283648, 1444104, 1490688, 1624617, 1677024, 1925472, 1928448, 2166156, 2236032, 2515536, 2567296, 2888208, 3249234, 3354048, 3850944, 4332312, 4472064, 4873851, 5031072, 5134592, 5776416, 6498468, 6708096, 7701888, 8664624, 9747702, 10062144, 11552832, 12996936, 13416192, 15403776, 17329248, 19495404, 20124288, 23105664, 25993872, 34658496, 38990808, 40248576, 46211328, 51987744, 69316992, 77981616, 103975488, 138633984, 155963232, 207950976, 311926464, 415901952, 623852928, 1247705856]

約数ペア:

[(1, 1247705856), (2, 623852928), (3, 415901952), (4, 311926464), (6, 207950976), (8, 155963232), (9, 138633984), (12, 103975488), (16, 77981616), (18, 69316992), (24, 51987744), (27, 46211328), (31, 40248576), (32, 38990808), (36, 34658496), (48, 25993872), (54, 23105664), (62, 20124288), (64, 19495404), (72, 17329248), (81, 15403776), (93, 13416192), (96, 12996936), (108, 11552832), (124, 10062144), (128, 9747702), (144, 8664624), (162, 7701888), (186, 6708096), (192, 6498468), (216, 5776416), (243, 5134592), (248, 5031072), (256, 4873851), (279, 4472064), (288, 4332312), (324, 3850944), (372, 3354048), (384, 3249234), (432, 2888208), (486, 2567296), (496, 2515536), (558, 2236032), (576, 2166156), (647, 1928448), (648, 1925472), (744, 1677024), (768, 1624617), (837, 1490688), (864, 1444104), (972, 1283648), (992, 1257768), (1116, 1118016), (1152, 1083078), (1294, 964224), (1296, 962736), (1488, 838512), (1674, 745344), (1728, 722052), (1941, 642816), (1944, 641824), (1984, 628884), (2232, 559008), (2304, 541539), (2511, 496896), (2588, 482112), (2592, 481368), (2976, 419256), (3348, 372672), (3456, 361026), (3882, 321408), (3888, 320912), (3968, 314442), (4464, 279504), (5022, 248448), (5176, 241056), (5184, 240684), (5823, 214272), (5952, 209628), (6696, 186336), (6912, 180513), (7533, 165632), (7764, 160704), (7776, 160456), (7936, 157221), (8928, 139752), (10044, 124224), (10352, 120528), (10368, 120342), (11646, 107136), (11904, 104814), (13392, 93168), (15066, 82816), (15528, 80352), (15552, 80228), (17469, 71424), (17856, 69876), (20057, 62208), (20088, 62112), (20704, 60264), (20736, 60171), (23292, 53568), (23808, 52407), (26784, 46584), (30132, 41408), (31056, 40176), (31104, 40114), (34938, 35712)]