208049191

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{2917}}^1$

素因数の和:3390

約数の個数: 16

約数和(自身を含む): 248753664

約数和(自身を除く): 40704473

約数列:

[1, 7, 23, 161, 443, 2917, 3101, 10189, 20419, 67091, 71323, 469637, 1292231, 9045617, 29721313, 208049191]

約数ペア:

[(1, 208049191), (7, 29721313), (23, 9045617), (161, 1292231), (443, 469637), (2917, 71323), (3101, 67091), (10189, 20419)]