257123328

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1128

約数の個数: 176

約数和(自身を含む): 855220224

約数和(自身を除く): 598096896

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 256, 264, 308, 336, 352, 384, 448, 462, 512, 528, 616, 672, 704, 768, 896, 924, 1024, 1056, 1087, 1232, 1344, 1408, 1536, 1792, 1848, 2112, 2174, 2464, 2688, 2816, 3072, 3261, 3584, 3696, 4224, 4348, 4928, 5376, 5632, 6522, 7168, 7392, 7609, 8448, 8696, 9856, 10752, 11264, 11957, 13044, 14784, 15218, 16896, 17392, 19712, 21504, 22827, 23914, 26088, 29568, 30436, 33792, 34784, 35871, 39424, 45654, 47828, 52176, 59136, 60872, 69568, 71742, 78848, 83699, 91308, 95656, 104352, 118272, 121744, 139136, 143484, 167398, 182616, 191312, 208704, 236544, 243488, 251097, 278272, 286968, 334796, 365232, 382624, 417408, 486976, 502194, 556544, 573936, 669592, 730464, 765248, 834816, 973952, 1004388, 1113088, 1147872, 1339184, 1460928, 1530496, 1669632, 1947904, 2008776, 2295744, 2678368, 2921856, 3060992, 3339264, 3895808, 4017552, 4591488, 5356736, 5843712, 6121984, 7791616, 8035104, 9182976, 10713472, 11687424, 12243968, 16070208, 18365952, 21426944, 23374848, 32140416, 36731904, 42853888, 64280832, 85707776, 128561664, 257123328]

約数ペア:

[(1, 257123328), (2, 128561664), (3, 85707776), (4, 64280832), (6, 42853888), (7, 36731904), (8, 32140416), (11, 23374848), (12, 21426944), (14, 18365952), (16, 16070208), (21, 12243968), (22, 11687424), (24, 10713472), (28, 9182976), (32, 8035104), (33, 7791616), (42, 6121984), (44, 5843712), (48, 5356736), (56, 4591488), (64, 4017552), (66, 3895808), (77, 3339264), (84, 3060992), (88, 2921856), (96, 2678368), (112, 2295744), (128, 2008776), (132, 1947904), (154, 1669632), (168, 1530496), (176, 1460928), (192, 1339184), (224, 1147872), (231, 1113088), (256, 1004388), (264, 973952), (308, 834816), (336, 765248), (352, 730464), (384, 669592), (448, 573936), (462, 556544), (512, 502194), (528, 486976), (616, 417408), (672, 382624), (704, 365232), (768, 334796), (896, 286968), (924, 278272), (1024, 251097), (1056, 243488), (1087, 236544), (1232, 208704), (1344, 191312), (1408, 182616), (1536, 167398), (1792, 143484), (1848, 139136), (2112, 121744), (2174, 118272), (2464, 104352), (2688, 95656), (2816, 91308), (3072, 83699), (3261, 78848), (3584, 71742), (3696, 69568), (4224, 60872), (4348, 59136), (4928, 52176), (5376, 47828), (5632, 45654), (6522, 39424), (7168, 35871), (7392, 34784), (7609, 33792), (8448, 30436), (8696, 29568), (9856, 26088), (10752, 23914), (11264, 22827), (11957, 21504), (13044, 19712), (14784, 17392), (15218, 16896)]