206989468

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{20143}}^1$

素因数の和:20521

約数の個数: 24

約数和(自身を含む): 415127552

約数和(自身を除く): 208138084

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 2569, 5138, 10276, 20143, 40286, 80572, 141001, 282002, 564004, 7392481, 14784962, 29569924, 51747367, 103494734, 206989468]

約数ペア:

[(1, 206989468), (2, 103494734), (4, 51747367), (7, 29569924), (14, 14784962), (28, 7392481), (367, 564004), (734, 282002), (1468, 141001), (2569, 80572), (5138, 40286), (10276, 20143)]