129127412

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{72871}}^1$

素因数の和:73318

約数の個数: 12

約数和(自身を含む): 226486176

約数和(自身を除く): 97358764

約数列:

[1, 2, 4, 443, 886, 1772, 72871, 145742, 291484, 32281853, 64563706, 129127412]

約数ペア:

[(1, 129127412), (2, 64563706), (4, 32281853), (443, 291484), (886, 145742), (1772, 72871)]