207978274

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{66617}}^1$

素因数の和:66849

約数の個数: 16

約数和(自身を含む): 358138368

約数和(自身を除く): 150160094

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 66617, 133234, 466319, 932638, 14855591, 29711182, 103989137, 207978274]

約数ペア:

[(1, 207978274), (2, 103989137), (7, 29711182), (14, 14855591), (223, 932638), (446, 466319), (1561, 133234), (3122, 66617)]