209267639

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1907

約数の個数: 24

約数和(自身を含む): 258220032

約数和(自身を除く): 48952393

約数列:

[1, 7, 23, 31, 161, 217, 529, 713, 1823, 3703, 4991, 12761, 16399, 41929, 56513, 114793, 293503, 395591, 964367, 1299799, 6750569, 9098593, 29895377, 209267639]

約数ペア:

[(1, 209267639), (7, 29895377), (23, 9098593), (31, 6750569), (161, 1299799), (217, 964367), (529, 395591), (713, 293503), (1823, 114793), (3703, 56513), (4991, 41929), (12761, 16399)]