128857728

素因数分解:

$2^7\times 3^1\times {\mathrm{335567}}^1$

素因数の和:335584

約数の個数: 32

約数和(自身を含む): 342279360

約数和(自身を除く): 213421632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 335567, 671134, 1006701, 1342268, 2013402, 2684536, 4026804, 5369072, 8053608, 10738144, 16107216, 21476288, 32214432, 42952576, 64428864, 128857728]

約数ペア:

[(1, 128857728), (2, 64428864), (3, 42952576), (4, 32214432), (6, 21476288), (8, 16107216), (12, 10738144), (16, 8053608), (24, 5369072), (32, 4026804), (48, 2684536), (64, 2013402), (96, 1342268), (128, 1006701), (192, 671134), (384, 335567)]