256907968

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5153}}^1$

素因数の和:5225

約数の個数: 56

約数和(自身を含む): 549828720

約数和(自身を除く): 292920752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 152, 164, 304, 328, 608, 656, 779, 1216, 1312, 1558, 2624, 3116, 5153, 6232, 10306, 12464, 20612, 24928, 41224, 49856, 82448, 97907, 164896, 195814, 211273, 329792, 391628, 422546, 783256, 845092, 1566512, 1690184, 3133024, 3380368, 4014187, 6266048, 6760736, 8028374, 13521472, 16056748, 32113496, 64226992, 128453984, 256907968]

約数ペア:

[(1, 256907968), (2, 128453984), (4, 64226992), (8, 32113496), (16, 16056748), (19, 13521472), (32, 8028374), (38, 6760736), (41, 6266048), (64, 4014187), (76, 3380368), (82, 3133024), (152, 1690184), (164, 1566512), (304, 845092), (328, 783256), (608, 422546), (656, 391628), (779, 329792), (1216, 211273), (1312, 195814), (1558, 164896), (2624, 97907), (3116, 82448), (5153, 49856), (6232, 41224), (10306, 24928), (12464, 20612)]