256086208

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 602187264

約数和(自身を除く): 346101056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 83, 97, 112, 142, 166, 194, 224, 284, 332, 388, 448, 497, 568, 581, 664, 679, 776, 994, 1136, 1162, 1328, 1358, 1552, 1988, 2272, 2324, 2656, 2716, 3104, 3976, 4544, 4648, 5312, 5432, 5893, 6208, 6887, 7952, 8051, 9296, 10864, 11786, 13774, 15904, 16102, 18592, 21728, 23572, 27548, 31808, 32204, 37184, 41251, 43456, 47144, 48209, 55096, 56357, 64408, 82502, 94288, 96418, 110192, 112714, 128816, 165004, 188576, 192836, 220384, 225428, 257632, 330008, 377152, 385672, 440768, 450856, 515264, 571621, 660016, 771344, 901712, 1143242, 1320032, 1542688, 1803424, 2286484, 2640064, 3085376, 3606848, 4001347, 4572968, 8002694, 9145936, 16005388, 18291872, 32010776, 36583744, 64021552, 128043104, 256086208]

約数ペア:

[(1, 256086208), (2, 128043104), (4, 64021552), (7, 36583744), (8, 32010776), (14, 18291872), (16, 16005388), (28, 9145936), (32, 8002694), (56, 4572968), (64, 4001347), (71, 3606848), (83, 3085376), (97, 2640064), (112, 2286484), (142, 1803424), (166, 1542688), (194, 1320032), (224, 1143242), (284, 901712), (332, 771344), (388, 660016), (448, 571621), (497, 515264), (568, 450856), (581, 440768), (664, 385672), (679, 377152), (776, 330008), (994, 257632), (1136, 225428), (1162, 220384), (1328, 192836), (1358, 188576), (1552, 165004), (1988, 128816), (2272, 112714), (2324, 110192), (2656, 96418), (2716, 94288), (3104, 82502), (3976, 64408), (4544, 56357), (4648, 55096), (5312, 48209), (5432, 47144), (5893, 43456), (6208, 41251), (6887, 37184), (7952, 32204), (8051, 31808), (9296, 27548), (10864, 23572), (11786, 21728), (13774, 18592), (15904, 16102)]