205787428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{668141}}^1$

素因数の和:668163

約数の個数: 24

約数和(自身を含む): 448991424

約数和(自身を除く): 243203996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 668141, 1336282, 2672564, 4676987, 7349551, 9353974, 14699102, 18707948, 29398204, 51446857, 102893714, 205787428]

約数ペア:

[(1, 205787428), (2, 102893714), (4, 51446857), (7, 29398204), (11, 18707948), (14, 14699102), (22, 9353974), (28, 7349551), (44, 4676987), (77, 2672564), (154, 1336282), (308, 668141)]