217271812

素因数分解:

$2^2\times {\mathrm{787}}^1\times {\mathrm{69019}}^1$

素因数の和:69810

約数の個数: 12

約数和(自身を含む): 380714320

約数和(自身を除く): 163442508

約数列:

[1, 2, 4, 787, 1574, 3148, 69019, 138038, 276076, 54317953, 108635906, 217271812]

約数ペア:

[(1, 217271812), (2, 108635906), (4, 54317953), (787, 276076), (1574, 138038), (3148, 69019)]