257300992

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 160

約数和(自身を含む): 604961280

約数和(自身を除く): 347660288

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 32, 43, 52, 58, 62, 64, 86, 104, 116, 124, 128, 172, 208, 232, 248, 256, 344, 377, 403, 416, 464, 496, 512, 559, 688, 754, 806, 832, 899, 928, 992, 1118, 1247, 1333, 1376, 1508, 1612, 1664, 1798, 1856, 1984, 2236, 2494, 2666, 2752, 3016, 3224, 3328, 3596, 3712, 3968, 4472, 4988, 5332, 5504, 6032, 6448, 6656, 7192, 7424, 7936, 8944, 9976, 10664, 11008, 11687, 12064, 12896, 14384, 14848, 15872, 16211, 17329, 17888, 19952, 21328, 22016, 23374, 24128, 25792, 28768, 32422, 34658, 35776, 38657, 39904, 42656, 46748, 48256, 51584, 57536, 64844, 69316, 71552, 77314, 79808, 85312, 93496, 96512, 103168, 115072, 129688, 138632, 143104, 154628, 159616, 170624, 186992, 193024, 206336, 230144, 259376, 277264, 286208, 309256, 319232, 341248, 373984, 460288, 502541, 518752, 554528, 618512, 638464, 682496, 747968, 1005082, 1037504, 1109056, 1237024, 1495936, 2010164, 2075008, 2218112, 2474048, 2991872, 4020328, 4150016, 4436224, 4948096, 5983744, 8040656, 8300032, 8872448, 9896192, 16081312, 19792384, 32162624, 64325248, 128650496, 257300992]

約数ペア:

[(1, 257300992), (2, 128650496), (4, 64325248), (8, 32162624), (13, 19792384), (16, 16081312), (26, 9896192), (29, 8872448), (31, 8300032), (32, 8040656), (43, 5983744), (52, 4948096), (58, 4436224), (62, 4150016), (64, 4020328), (86, 2991872), (104, 2474048), (116, 2218112), (124, 2075008), (128, 2010164), (172, 1495936), (208, 1237024), (232, 1109056), (248, 1037504), (256, 1005082), (344, 747968), (377, 682496), (403, 638464), (416, 618512), (464, 554528), (496, 518752), (512, 502541), (559, 460288), (688, 373984), (754, 341248), (806, 319232), (832, 309256), (899, 286208), (928, 277264), (992, 259376), (1118, 230144), (1247, 206336), (1333, 193024), (1376, 186992), (1508, 170624), (1612, 159616), (1664, 154628), (1798, 143104), (1856, 138632), (1984, 129688), (2236, 115072), (2494, 103168), (2666, 96512), (2752, 93496), (3016, 85312), (3224, 79808), (3328, 77314), (3596, 71552), (3712, 69316), (3968, 64844), (4472, 57536), (4988, 51584), (5332, 48256), (5504, 46748), (6032, 42656), (6448, 39904), (6656, 38657), (7192, 35776), (7424, 34658), (7936, 32422), (8944, 28768), (9976, 25792), (10664, 24128), (11008, 23374), (11687, 22016), (12064, 21328), (12896, 19952), (14384, 17888), (14848, 17329), (15872, 16211)]