128375216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3863}}^1$

素因数の和:3969

約数の個数: 40

約数和(自身を含む): 260649984

約数和(自身を除く): 132274768

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 3863, 4154, 7726, 8308, 15452, 16616, 30904, 33232, 61808, 119753, 239506, 258821, 479012, 517642, 958024, 1035284, 1916048, 2070568, 4141136, 8023451, 16046902, 32093804, 64187608, 128375216]

約数ペア:

[(1, 128375216), (2, 64187608), (4, 32093804), (8, 16046902), (16, 8023451), (31, 4141136), (62, 2070568), (67, 1916048), (124, 1035284), (134, 958024), (248, 517642), (268, 479012), (496, 258821), (536, 239506), (1072, 119753), (2077, 61808), (3863, 33232), (4154, 30904), (7726, 16616), (8308, 15452)]