205728292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{667949}}^1$

素因数の和:667971

約数の個数: 24

約数和(自身を含む): 448862400

約数和(自身を除く): 243134108

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 667949, 1335898, 2671796, 4675643, 7347439, 9351286, 14694878, 18702572, 29389756, 51432073, 102864146, 205728292]

約数ペア:

[(1, 205728292), (2, 102864146), (4, 51432073), (7, 29389756), (11, 18702572), (14, 14694878), (22, 9351286), (28, 7347439), (44, 4675643), (77, 2671796), (154, 1335898), (308, 667949)]