257094656

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 176

約数和(自身を含む): 660280320

約数和(自身を除く): 403185664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 89, 91, 104, 112, 124, 128, 178, 182, 208, 217, 224, 248, 256, 356, 364, 403, 416, 434, 448, 496, 512, 623, 712, 728, 806, 832, 868, 896, 992, 1024, 1157, 1246, 1424, 1456, 1612, 1664, 1736, 1792, 1984, 2314, 2492, 2759, 2821, 2848, 2912, 3224, 3328, 3472, 3584, 3968, 4628, 4984, 5518, 5642, 5696, 5824, 6448, 6656, 6944, 7168, 7936, 8099, 9256, 9968, 11036, 11284, 11392, 11648, 12896, 13312, 13888, 15872, 16198, 18512, 19313, 19936, 22072, 22568, 22784, 23296, 25792, 27776, 31744, 32396, 35867, 37024, 38626, 39872, 44144, 45136, 45568, 46592, 51584, 55552, 64792, 71734, 74048, 77252, 79744, 88288, 90272, 91136, 93184, 103168, 111104, 129584, 143468, 148096, 154504, 159488, 176576, 180544, 206336, 222208, 251069, 259168, 286936, 296192, 309008, 318976, 353152, 361088, 412672, 502138, 518336, 573872, 592384, 618016, 637952, 706304, 722176, 1004276, 1036672, 1147744, 1184768, 1236032, 1412608, 1444352, 2008552, 2073344, 2295488, 2472064, 2825216, 2888704, 4017104, 4146688, 4590976, 4944128, 8034208, 8293376, 9181952, 9888256, 16068416, 18363904, 19776512, 32136832, 36727808, 64273664, 128547328, 257094656]

約数ペア:

[(1, 257094656), (2, 128547328), (4, 64273664), (7, 36727808), (8, 32136832), (13, 19776512), (14, 18363904), (16, 16068416), (26, 9888256), (28, 9181952), (31, 8293376), (32, 8034208), (52, 4944128), (56, 4590976), (62, 4146688), (64, 4017104), (89, 2888704), (91, 2825216), (104, 2472064), (112, 2295488), (124, 2073344), (128, 2008552), (178, 1444352), (182, 1412608), (208, 1236032), (217, 1184768), (224, 1147744), (248, 1036672), (256, 1004276), (356, 722176), (364, 706304), (403, 637952), (416, 618016), (434, 592384), (448, 573872), (496, 518336), (512, 502138), (623, 412672), (712, 361088), (728, 353152), (806, 318976), (832, 309008), (868, 296192), (896, 286936), (992, 259168), (1024, 251069), (1157, 222208), (1246, 206336), (1424, 180544), (1456, 176576), (1612, 159488), (1664, 154504), (1736, 148096), (1792, 143468), (1984, 129584), (2314, 111104), (2492, 103168), (2759, 93184), (2821, 91136), (2848, 90272), (2912, 88288), (3224, 79744), (3328, 77252), (3472, 74048), (3584, 71734), (3968, 64792), (4628, 55552), (4984, 51584), (5518, 46592), (5642, 45568), (5696, 45136), (5824, 44144), (6448, 39872), (6656, 38626), (6944, 37024), (7168, 35867), (7936, 32396), (8099, 31744), (9256, 27776), (9968, 25792), (11036, 23296), (11284, 22784), (11392, 22568), (11648, 22072), (12896, 19936), (13312, 19313), (13888, 18512), (15872, 16198)]