257852544

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21709

約数の個数: 64

約数和(自身を含む): 707047680

約数和(自身を除く): 449195136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 21661, 43322, 64983, 86644, 129966, 173288, 259932, 346576, 519864, 671491, 693152, 1039728, 1342982, 1386304, 2014473, 2079456, 2685964, 2772608, 4028946, 4158912, 5371928, 8057892, 8317824, 10743856, 16115784, 21487712, 32231568, 42975424, 64463136, 85950848, 128926272, 257852544]

約数ペア:

[(1, 257852544), (2, 128926272), (3, 85950848), (4, 64463136), (6, 42975424), (8, 32231568), (12, 21487712), (16, 16115784), (24, 10743856), (31, 8317824), (32, 8057892), (48, 5371928), (62, 4158912), (64, 4028946), (93, 2772608), (96, 2685964), (124, 2079456), (128, 2014473), (186, 1386304), (192, 1342982), (248, 1039728), (372, 693152), (384, 671491), (496, 519864), (744, 346576), (992, 259932), (1488, 173288), (1984, 129966), (2976, 86644), (3968, 64983), (5952, 43322), (11904, 21661)]