128330012

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{72421}}^1$

素因数の和:72868

約数の個数: 12

約数和(自身を含む): 225087576

約数和(自身を除く): 96757564

約数列:

[1, 2, 4, 443, 886, 1772, 72421, 144842, 289684, 32082503, 64165006, 128330012]

約数ペア:

[(1, 128330012), (2, 64165006), (4, 32082503), (443, 289684), (886, 144842), (1772, 72421)]