205406992

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 477048832

約数和(自身を除く): 271641840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 112, 124, 134, 217, 248, 268, 434, 469, 496, 536, 868, 883, 938, 1072, 1736, 1766, 1876, 2077, 3472, 3532, 3752, 4154, 6181, 7064, 7504, 8308, 12362, 14128, 14539, 16616, 24724, 27373, 29078, 33232, 49448, 54746, 58156, 59161, 98896, 109492, 116312, 118322, 191611, 218984, 232624, 236644, 383222, 414127, 437968, 473288, 766444, 828254, 946576, 1532888, 1656508, 1833991, 3065776, 3313016, 3667982, 6626032, 7335964, 12837937, 14671928, 25675874, 29343856, 51351748, 102703496, 205406992]

約数ペア:

[(1, 205406992), (2, 102703496), (4, 51351748), (7, 29343856), (8, 25675874), (14, 14671928), (16, 12837937), (28, 7335964), (31, 6626032), (56, 3667982), (62, 3313016), (67, 3065776), (112, 1833991), (124, 1656508), (134, 1532888), (217, 946576), (248, 828254), (268, 766444), (434, 473288), (469, 437968), (496, 414127), (536, 383222), (868, 236644), (883, 232624), (938, 218984), (1072, 191611), (1736, 118322), (1766, 116312), (1876, 109492), (2077, 98896), (3472, 59161), (3532, 58156), (3752, 54746), (4154, 49448), (6181, 33232), (7064, 29078), (7504, 27373), (8308, 24724), (12362, 16616), (14128, 14539)]