208990474

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 397825344

約数和(自身を除く): 188834870

約数列:

[1, 2, 7, 11, 14, 22, 77, 107, 121, 154, 214, 242, 749, 847, 1153, 1177, 1498, 1694, 2306, 2354, 8071, 8239, 12683, 12947, 16142, 16478, 25366, 25894, 88781, 90629, 123371, 139513, 177562, 181258, 246742, 279026, 863597, 976591, 1357081, 1727194, 1953182, 2714162, 9499567, 14927891, 18999134, 29855782, 104495237, 208990474]

約数ペア:

[(1, 208990474), (2, 104495237), (7, 29855782), (11, 18999134), (14, 14927891), (22, 9499567), (77, 2714162), (107, 1953182), (121, 1727194), (154, 1357081), (214, 976591), (242, 863597), (749, 279026), (847, 246742), (1153, 181258), (1177, 177562), (1498, 139513), (1694, 123371), (2306, 90629), (2354, 88781), (8071, 25894), (8239, 25366), (12683, 16478), (12947, 16142)]