257339904

素因数分解:

$2^9\times 3^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1$

素因数の和:961

約数の個数: 80

約数和(自身を含む): 689420160

約数和(自身を除く): 432080256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 239, 256, 384, 478, 512, 701, 717, 768, 956, 1402, 1434, 1536, 1912, 2103, 2804, 2868, 3824, 4206, 5608, 5736, 7648, 8412, 11216, 11472, 15296, 16824, 22432, 22944, 30592, 33648, 44864, 45888, 61184, 67296, 89728, 91776, 122368, 134592, 167539, 179456, 183552, 269184, 335078, 358912, 367104, 502617, 538368, 670156, 1005234, 1076736, 1340312, 2010468, 2680624, 4020936, 5361248, 8041872, 10722496, 16083744, 21444992, 32167488, 42889984, 64334976, 85779968, 128669952, 257339904]

約数ペア:

[(1, 257339904), (2, 128669952), (3, 85779968), (4, 64334976), (6, 42889984), (8, 32167488), (12, 21444992), (16, 16083744), (24, 10722496), (32, 8041872), (48, 5361248), (64, 4020936), (96, 2680624), (128, 2010468), (192, 1340312), (239, 1076736), (256, 1005234), (384, 670156), (478, 538368), (512, 502617), (701, 367104), (717, 358912), (768, 335078), (956, 269184), (1402, 183552), (1434, 179456), (1536, 167539), (1912, 134592), (2103, 122368), (2804, 91776), (2868, 89728), (3824, 67296), (4206, 61184), (5608, 45888), (5736, 44864), (7648, 33648), (8412, 30592), (11216, 22944), (11472, 22432), (15296, 16824)]