199878866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{9973}}^1$

素因数の和:10897

約数の個数: 16

約数和(自身を含む): 327466368

約数和(自身を除く): 127587502

約数列:

[1, 2, 11, 22, 911, 1822, 9973, 10021, 19946, 20042, 109703, 219406, 9085403, 18170806, 99939433, 199878866]

約数ペア:

[(1, 199878866), (2, 99939433), (11, 18170806), (22, 9085403), (911, 219406), (1822, 109703), (9973, 20042), (10021, 19946)]