257374208

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 96

約数和(自身を含む): 633840480

約数和(自身を除く): 376466272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1024, 1381, 1456, 1664, 1792, 2048, 2762, 2912, 3328, 3584, 5524, 5824, 6656, 7168, 9667, 11048, 11648, 13312, 14336, 17953, 19334, 22096, 23296, 26624, 35906, 38668, 44192, 46592, 71812, 77336, 88384, 93184, 125671, 143624, 154672, 176768, 186368, 251342, 287248, 309344, 353536, 502684, 574496, 618688, 707072, 1005368, 1148992, 1237376, 1414144, 2010736, 2297984, 2474752, 2828288, 4021472, 4595968, 4949504, 8042944, 9191936, 9899008, 16085888, 18383872, 19798016, 32171776, 36767744, 64343552, 128687104, 257374208]

約数ペア:

[(1, 257374208), (2, 128687104), (4, 64343552), (7, 36767744), (8, 32171776), (13, 19798016), (14, 18383872), (16, 16085888), (26, 9899008), (28, 9191936), (32, 8042944), (52, 4949504), (56, 4595968), (64, 4021472), (91, 2828288), (104, 2474752), (112, 2297984), (128, 2010736), (182, 1414144), (208, 1237376), (224, 1148992), (256, 1005368), (364, 707072), (416, 618688), (448, 574496), (512, 502684), (728, 353536), (832, 309344), (896, 287248), (1024, 251342), (1381, 186368), (1456, 176768), (1664, 154672), (1792, 143624), (2048, 125671), (2762, 93184), (2912, 88384), (3328, 77336), (3584, 71812), (5524, 46592), (5824, 44192), (6656, 38668), (7168, 35906), (9667, 26624), (11048, 23296), (11648, 22096), (13312, 19334), (14336, 17953)]