221309712

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 160

約数和(自身を含む): 691205760

約数和(自身を除く): 469896048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 157, 208, 216, 234, 251, 312, 314, 351, 432, 468, 471, 502, 624, 628, 702, 753, 936, 942, 1004, 1256, 1404, 1413, 1506, 1872, 1884, 2008, 2041, 2259, 2512, 2808, 2826, 3012, 3263, 3768, 4016, 4082, 4239, 4518, 5616, 5652, 6024, 6123, 6526, 6777, 7536, 8164, 8478, 9036, 9789, 11304, 12048, 12246, 13052, 13554, 16328, 16956, 18072, 18369, 19578, 22608, 24492, 26104, 27108, 29367, 32656, 33912, 36144, 36738, 39156, 39407, 48984, 52208, 54216, 55107, 58734, 67824, 73476, 78312, 78814, 88101, 97968, 108432, 110214, 117468, 118221, 146952, 156624, 157628, 176202, 220428, 234936, 236442, 293904, 315256, 352404, 354663, 440856, 469872, 472884, 512291, 630512, 704808, 709326, 881712, 945768, 1024582, 1063989, 1409616, 1418652, 1536873, 1891536, 2049164, 2127978, 2837304, 3073746, 4098328, 4255956, 4610619, 5674608, 6147492, 8196656, 8511912, 9221238, 12294984, 13831857, 17023824, 18442476, 24589968, 27663714, 36884952, 55327428, 73769904, 110654856, 221309712]

約数ペア:

[(1, 221309712), (2, 110654856), (3, 73769904), (4, 55327428), (6, 36884952), (8, 27663714), (9, 24589968), (12, 18442476), (13, 17023824), (16, 13831857), (18, 12294984), (24, 9221238), (26, 8511912), (27, 8196656), (36, 6147492), (39, 5674608), (48, 4610619), (52, 4255956), (54, 4098328), (72, 3073746), (78, 2837304), (104, 2127978), (108, 2049164), (117, 1891536), (144, 1536873), (156, 1418652), (157, 1409616), (208, 1063989), (216, 1024582), (234, 945768), (251, 881712), (312, 709326), (314, 704808), (351, 630512), (432, 512291), (468, 472884), (471, 469872), (502, 440856), (624, 354663), (628, 352404), (702, 315256), (753, 293904), (936, 236442), (942, 234936), (1004, 220428), (1256, 176202), (1404, 157628), (1413, 156624), (1506, 146952), (1872, 118221), (1884, 117468), (2008, 110214), (2041, 108432), (2259, 97968), (2512, 88101), (2808, 78814), (2826, 78312), (3012, 73476), (3263, 67824), (3768, 58734), (4016, 55107), (4082, 54216), (4239, 52208), (4518, 48984), (5616, 39407), (5652, 39156), (6024, 36738), (6123, 36144), (6526, 33912), (6777, 32656), (7536, 29367), (8164, 27108), (8478, 26104), (9036, 24492), (9789, 22608), (11304, 19578), (12048, 18369), (12246, 18072), (13052, 16956), (13554, 16328)]