257507328

素因数分解:

$2^{14}\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 767534208

約数和(自身を除く): 510026880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 169, 186, 192, 208, 248, 256, 312, 338, 372, 384, 403, 416, 496, 507, 512, 624, 676, 744, 768, 806, 832, 992, 1014, 1024, 1209, 1248, 1352, 1488, 1536, 1612, 1664, 1984, 2028, 2048, 2418, 2496, 2704, 2976, 3072, 3224, 3328, 3968, 4056, 4096, 4836, 4992, 5239, 5408, 5952, 6144, 6448, 6656, 7936, 8112, 8192, 9672, 9984, 10478, 10816, 11904, 12288, 12896, 13312, 15717, 15872, 16224, 16384, 19344, 19968, 20956, 21632, 23808, 24576, 25792, 26624, 31434, 31744, 32448, 38688, 39936, 41912, 43264, 47616, 49152, 51584, 53248, 62868, 63488, 64896, 77376, 79872, 83824, 86528, 95232, 103168, 106496, 125736, 126976, 129792, 154752, 159744, 167648, 173056, 190464, 206336, 212992, 251472, 253952, 259584, 309504, 319488, 335296, 346112, 380928, 412672, 502944, 507904, 519168, 619008, 638976, 670592, 692224, 761856, 825344, 1005888, 1038336, 1238016, 1341184, 1384448, 1523712, 1650688, 2011776, 2076672, 2476032, 2682368, 2768896, 3301376, 4023552, 4153344, 4952064, 5364736, 6602752, 8047104, 8306688, 9904128, 10729472, 16094208, 19808256, 21458944, 32188416, 42917888, 64376832, 85835776, 128753664, 257507328]

約数ペア:

[(1, 257507328), (2, 128753664), (3, 85835776), (4, 64376832), (6, 42917888), (8, 32188416), (12, 21458944), (13, 19808256), (16, 16094208), (24, 10729472), (26, 9904128), (31, 8306688), (32, 8047104), (39, 6602752), (48, 5364736), (52, 4952064), (62, 4153344), (64, 4023552), (78, 3301376), (93, 2768896), (96, 2682368), (104, 2476032), (124, 2076672), (128, 2011776), (156, 1650688), (169, 1523712), (186, 1384448), (192, 1341184), (208, 1238016), (248, 1038336), (256, 1005888), (312, 825344), (338, 761856), (372, 692224), (384, 670592), (403, 638976), (416, 619008), (496, 519168), (507, 507904), (512, 502944), (624, 412672), (676, 380928), (744, 346112), (768, 335296), (806, 319488), (832, 309504), (992, 259584), (1014, 253952), (1024, 251472), (1209, 212992), (1248, 206336), (1352, 190464), (1488, 173056), (1536, 167648), (1612, 159744), (1664, 154752), (1984, 129792), (2028, 126976), (2048, 125736), (2418, 106496), (2496, 103168), (2704, 95232), (2976, 86528), (3072, 83824), (3224, 79872), (3328, 77376), (3968, 64896), (4056, 63488), (4096, 62868), (4836, 53248), (4992, 51584), (5239, 49152), (5408, 47616), (5952, 43264), (6144, 41912), (6448, 39936), (6656, 38688), (7936, 32448), (8112, 31744), (8192, 31434), (9672, 26624), (9984, 25792), (10478, 24576), (10816, 23808), (11904, 21632), (12288, 20956), (12896, 19968), (13312, 19344), (15717, 16384), (15872, 16224)]