257888256

素因数分解:

$2^{12}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:735

約数の個数: 104

約数和(自身を含む): 710847744

約数和(自身を除く): 452959488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 677, 744, 768, 992, 1024, 1354, 1488, 1536, 1984, 2031, 2048, 2708, 2976, 3072, 3968, 4062, 4096, 5416, 5952, 6144, 7936, 8124, 10832, 11904, 12288, 15872, 16248, 20987, 21664, 23808, 31744, 32496, 41974, 43328, 47616, 62961, 63488, 64992, 83948, 86656, 95232, 125922, 126976, 129984, 167896, 173312, 190464, 251844, 259968, 335792, 346624, 380928, 503688, 519936, 671584, 693248, 1007376, 1039872, 1343168, 1386496, 2014752, 2079744, 2686336, 2772992, 4029504, 4159488, 5372672, 8059008, 8318976, 10745344, 16118016, 21490688, 32236032, 42981376, 64472064, 85962752, 128944128, 257888256]

約数ペア:

[(1, 257888256), (2, 128944128), (3, 85962752), (4, 64472064), (6, 42981376), (8, 32236032), (12, 21490688), (16, 16118016), (24, 10745344), (31, 8318976), (32, 8059008), (48, 5372672), (62, 4159488), (64, 4029504), (93, 2772992), (96, 2686336), (124, 2079744), (128, 2014752), (186, 1386496), (192, 1343168), (248, 1039872), (256, 1007376), (372, 693248), (384, 671584), (496, 519936), (512, 503688), (677, 380928), (744, 346624), (768, 335792), (992, 259968), (1024, 251844), (1354, 190464), (1488, 173312), (1536, 167896), (1984, 129984), (2031, 126976), (2048, 125922), (2708, 95232), (2976, 86656), (3072, 83948), (3968, 64992), (4062, 63488), (4096, 62961), (5416, 47616), (5952, 43328), (6144, 41974), (7936, 32496), (8124, 31744), (10832, 23808), (11904, 21664), (12288, 20987), (15872, 16248)]