256586752

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 88

約数和(自身を含む): 542373120

約数和(自身を除く): 285786368

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 128, 137, 236, 248, 256, 274, 472, 496, 512, 548, 944, 992, 1024, 1096, 1829, 1888, 1984, 2192, 3658, 3776, 3968, 4247, 4384, 7316, 7552, 7936, 8083, 8494, 8768, 14632, 15104, 15872, 16166, 16988, 17536, 29264, 30208, 31744, 32332, 33976, 35072, 58528, 60416, 64664, 67952, 70144, 117056, 129328, 135904, 140288, 234112, 250573, 258656, 271808, 468224, 501146, 517312, 543616, 936448, 1002292, 1034624, 1087232, 1872896, 2004584, 2069248, 2174464, 4009168, 4138496, 4348928, 8018336, 8276992, 16036672, 32073344, 64146688, 128293376, 256586752]

約数ペア:

[(1, 256586752), (2, 128293376), (4, 64146688), (8, 32073344), (16, 16036672), (31, 8276992), (32, 8018336), (59, 4348928), (62, 4138496), (64, 4009168), (118, 2174464), (124, 2069248), (128, 2004584), (137, 1872896), (236, 1087232), (248, 1034624), (256, 1002292), (274, 936448), (472, 543616), (496, 517312), (512, 501146), (548, 468224), (944, 271808), (992, 258656), (1024, 250573), (1096, 234112), (1829, 140288), (1888, 135904), (1984, 129328), (2192, 117056), (3658, 70144), (3776, 67952), (3968, 64664), (4247, 60416), (4384, 58528), (7316, 35072), (7552, 33976), (7936, 32332), (8083, 31744), (8494, 30208), (8768, 29264), (14632, 17536), (15104, 16988), (15872, 16166)]