638409103616

素因数分解:

$2^8\times {\mathrm{131}}^1\times {\mathrm{1439}}^1\times {\mathrm{13229}}^1$

素因数の和:14815

約数の個数: 72

約数和(自身を含む): 1285041542400

約数和(自身を除く): 646632438784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 524, 1048, 1439, 2096, 2878, 4192, 5756, 8384, 11512, 13229, 16768, 23024, 26458, 33536, 46048, 52916, 92096, 105832, 184192, 188509, 211664, 368384, 377018, 423328, 754036, 846656, 1508072, 1693312, 1732999, 3016144, 3386624, 3465998, 6032288, 6931996, 12064576, 13863992, 19036531, 24129152, 27727984, 38073062, 48258304, 55455968, 76146124, 110911936, 152292248, 221823872, 304584496, 443647744, 609168992, 1218337984, 2436675968, 2493785561, 4873351936, 4987571122, 9975142244, 19950284488, 39900568976, 79801137952, 159602275904, 319204551808, 638409103616]

約数ペア:

[(1, 638409103616), (2, 319204551808), (4, 159602275904), (8, 79801137952), (16, 39900568976), (32, 19950284488), (64, 9975142244), (128, 4987571122), (131, 4873351936), (256, 2493785561), (262, 2436675968), (524, 1218337984), (1048, 609168992), (1439, 443647744), (2096, 304584496), (2878, 221823872), (4192, 152292248), (5756, 110911936), (8384, 76146124), (11512, 55455968), (13229, 48258304), (16768, 38073062), (23024, 27727984), (26458, 24129152), (33536, 19036531), (46048, 13863992), (52916, 12064576), (92096, 6931996), (105832, 6032288), (184192, 3465998), (188509, 3386624), (211664, 3016144), (368384, 1732999), (377018, 1693312), (423328, 1508072), (754036, 846656)]