209973904

素因数分解:

$2^4\times 7^1\times {\mathrm{1874767}}^1$

素因数の和:1874782

約数の個数: 20

約数和(自身を含む): 464942464

約数和(自身を除く): 254968560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1874767, 3749534, 7499068, 13123369, 14998136, 26246738, 29996272, 52493476, 104986952, 209973904]

約数ペア:

[(1, 209973904), (2, 104986952), (4, 52493476), (7, 29996272), (8, 26246738), (14, 14998136), (16, 13123369), (28, 7499068), (56, 3749534), (112, 1874767)]