129331456

素因数分解:

$2^8\times {\mathrm{505201}}^1$

素因数の和:505217

約数の個数: 18

約数和(自身を含む): 258158222

約数和(自身を除く): 128826766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 505201, 1010402, 2020804, 4041608, 8083216, 16166432, 32332864, 64665728, 129331456]

約数ペア:

[(1, 129331456), (2, 64665728), (4, 32332864), (8, 16166432), (16, 8083216), (32, 4041608), (64, 2020804), (128, 1010402), (256, 505201)]