209216119

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1\times {\mathrm{1151}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 249937920

約数和(自身を除く): 40721801

約数列:

[1, 7, 23, 161, 1129, 1151, 7903, 8057, 25967, 26473, 181769, 185311, 1299479, 9096353, 29888017, 209216119]

約数ペア:

[(1, 209216119), (7, 29888017), (23, 9096353), (161, 1299479), (1129, 185311), (1151, 181769), (7903, 26473), (8057, 25967)]