221481819658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{20175061}}^1$

素因数の和:20175573

約数の個数: 16

約数和(自身を含む): 363151116000

約数和(自身を除く): 141669296342

約数列:

[1, 2, 11, 22, 499, 998, 5489, 10978, 20175061, 40350122, 221925671, 443851342, 10067355439, 20134710878, 110740909829, 221481819658]

約数ペア:

[(1, 221481819658), (2, 110740909829), (11, 20134710878), (22, 10067355439), (499, 443851342), (998, 221925671), (5489, 40350122), (10978, 20175061)]