128729728

素因数分解:

$2^7\times {\mathrm{1005701}}^1$

素因数の和:1005715

約数の個数: 16

約数和(自身を含む): 256454010

約数和(自身を除く): 127724282

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1005701, 2011402, 4022804, 8045608, 16091216, 32182432, 64364864, 128729728]

約数ペア:

[(1, 128729728), (2, 64364864), (4, 32182432), (8, 16091216), (16, 8045608), (32, 4022804), (64, 2011402), (128, 1005701)]