255696896

素因数分解:

$2^{13}\times 7^4\times {\mathrm{13}}^1$

素因数の和:67

約数の個数: 140

約数和(自身を含む): 642442962

約数和(自身を除く): 386746066

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 343, 364, 392, 416, 448, 512, 637, 686, 728, 784, 832, 896, 1024, 1274, 1372, 1456, 1568, 1664, 1792, 2048, 2401, 2548, 2744, 2912, 3136, 3328, 3584, 4096, 4459, 4802, 5096, 5488, 5824, 6272, 6656, 7168, 8192, 8918, 9604, 10192, 10976, 11648, 12544, 13312, 14336, 17836, 19208, 20384, 21952, 23296, 25088, 26624, 28672, 31213, 35672, 38416, 40768, 43904, 46592, 50176, 53248, 57344, 62426, 71344, 76832, 81536, 87808, 93184, 100352, 106496, 124852, 142688, 153664, 163072, 175616, 186368, 200704, 249704, 285376, 307328, 326144, 351232, 372736, 401408, 499408, 570752, 614656, 652288, 702464, 745472, 998816, 1141504, 1229312, 1304576, 1404928, 1997632, 2283008, 2458624, 2609152, 2809856, 3995264, 4566016, 4917248, 5218304, 7990528, 9132032, 9834496, 15981056, 18264064, 19668992, 31962112, 36528128, 63924224, 127848448, 255696896]

約数ペア:

[(1, 255696896), (2, 127848448), (4, 63924224), (7, 36528128), (8, 31962112), (13, 19668992), (14, 18264064), (16, 15981056), (26, 9834496), (28, 9132032), (32, 7990528), (49, 5218304), (52, 4917248), (56, 4566016), (64, 3995264), (91, 2809856), (98, 2609152), (104, 2458624), (112, 2283008), (128, 1997632), (182, 1404928), (196, 1304576), (208, 1229312), (224, 1141504), (256, 998816), (343, 745472), (364, 702464), (392, 652288), (416, 614656), (448, 570752), (512, 499408), (637, 401408), (686, 372736), (728, 351232), (784, 326144), (832, 307328), (896, 285376), (1024, 249704), (1274, 200704), (1372, 186368), (1456, 175616), (1568, 163072), (1664, 153664), (1792, 142688), (2048, 124852), (2401, 106496), (2548, 100352), (2744, 93184), (2912, 87808), (3136, 81536), (3328, 76832), (3584, 71344), (4096, 62426), (4459, 57344), (4802, 53248), (5096, 50176), (5488, 46592), (5824, 43904), (6272, 40768), (6656, 38416), (7168, 35672), (8192, 31213), (8918, 28672), (9604, 26624), (10192, 25088), (10976, 23296), (11648, 21952), (12544, 20384), (13312, 19208), (14336, 17836)]