255804416

素因数分解:

$2^{10}\times 7^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 88

約数和(自身を含む): 591108096

約数和(自身を除く): 335303680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 281, 448, 508, 512, 562, 889, 896, 1016, 1024, 1124, 1778, 1792, 1967, 2032, 2248, 3556, 3584, 3934, 4064, 4496, 7112, 7168, 7868, 8128, 8992, 14224, 15736, 16256, 17984, 28448, 31472, 32512, 35687, 35968, 56896, 62944, 65024, 71374, 71936, 113792, 125888, 130048, 142748, 143872, 227584, 249809, 251776, 285496, 287744, 455168, 499618, 503552, 570992, 910336, 999236, 1007104, 1141984, 1998472, 2014208, 2283968, 3996944, 4567936, 7993888, 9135872, 15987776, 18271744, 31975552, 36543488, 63951104, 127902208, 255804416]

約数ペア:

[(1, 255804416), (2, 127902208), (4, 63951104), (7, 36543488), (8, 31975552), (14, 18271744), (16, 15987776), (28, 9135872), (32, 7993888), (56, 4567936), (64, 3996944), (112, 2283968), (127, 2014208), (128, 1998472), (224, 1141984), (254, 1007104), (256, 999236), (281, 910336), (448, 570992), (508, 503552), (512, 499618), (562, 455168), (889, 287744), (896, 285496), (1016, 251776), (1024, 249809), (1124, 227584), (1778, 143872), (1792, 142748), (1967, 130048), (2032, 125888), (2248, 113792), (3556, 71936), (3584, 71374), (3934, 65024), (4064, 62944), (4496, 56896), (7112, 35968), (7168, 35687), (7868, 32512), (8128, 31472), (8992, 28448), (14224, 17984), (15736, 16256)]