257365248

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 144

約数和(自身を含む): 799612800

約数和(自身を除く): 542247552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 343, 384, 392, 448, 588, 672, 686, 768, 784, 896, 977, 1029, 1176, 1344, 1372, 1568, 1792, 1954, 2058, 2352, 2688, 2744, 2931, 3136, 3908, 4116, 4704, 5376, 5488, 5862, 6272, 6839, 7816, 8232, 9408, 10976, 11724, 12544, 13678, 15632, 16464, 18816, 20517, 21952, 23448, 27356, 31264, 32928, 37632, 41034, 43904, 46896, 47873, 54712, 62528, 65856, 82068, 87808, 93792, 95746, 109424, 125056, 131712, 143619, 164136, 187584, 191492, 218848, 250112, 263424, 287238, 328272, 335111, 375168, 382984, 437696, 574476, 656544, 670222, 750336, 765968, 875392, 1005333, 1148952, 1313088, 1340444, 1531936, 1750784, 2010666, 2297904, 2626176, 2680888, 3063872, 4021332, 4595808, 5252352, 5361776, 6127744, 8042664, 9191616, 10723552, 12255488, 16085328, 18383232, 21447104, 32170656, 36766464, 42894208, 64341312, 85788416, 128682624, 257365248]

約数ペア:

[(1, 257365248), (2, 128682624), (3, 85788416), (4, 64341312), (6, 42894208), (7, 36766464), (8, 32170656), (12, 21447104), (14, 18383232), (16, 16085328), (21, 12255488), (24, 10723552), (28, 9191616), (32, 8042664), (42, 6127744), (48, 5361776), (49, 5252352), (56, 4595808), (64, 4021332), (84, 3063872), (96, 2680888), (98, 2626176), (112, 2297904), (128, 2010666), (147, 1750784), (168, 1531936), (192, 1340444), (196, 1313088), (224, 1148952), (256, 1005333), (294, 875392), (336, 765968), (343, 750336), (384, 670222), (392, 656544), (448, 574476), (588, 437696), (672, 382984), (686, 375168), (768, 335111), (784, 328272), (896, 287238), (977, 263424), (1029, 250112), (1176, 218848), (1344, 191492), (1372, 187584), (1568, 164136), (1792, 143619), (1954, 131712), (2058, 125056), (2352, 109424), (2688, 95746), (2744, 93792), (2931, 87808), (3136, 82068), (3908, 65856), (4116, 62528), (4704, 54712), (5376, 47873), (5488, 46896), (5862, 43904), (6272, 41034), (6839, 37632), (7816, 32928), (8232, 31264), (9408, 27356), (10976, 23448), (11724, 21952), (12544, 20517), (13678, 18816), (15632, 16464)]