199911239

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2477}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 237293280

約数和(自身を除く): 37382041

約数列:

[1, 11, 23, 29, 121, 253, 319, 667, 2477, 2783, 3509, 7337, 27247, 56971, 71833, 80707, 299717, 626681, 790163, 1652159, 6893491, 8691793, 18173749, 199911239]

約数ペア:

[(1, 199911239), (11, 18173749), (23, 8691793), (29, 6893491), (121, 1652159), (253, 790163), (319, 626681), (667, 299717), (2477, 80707), (2783, 71833), (3509, 56971), (7337, 27247)]