207978281

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1\times {\mathrm{1061}}^1$

素因数の和:1792

約数の個数: 16

約数和(自身を含む): 244073088

約数和(自身を除く): 36094807

約数列:

[1, 7, 41, 287, 683, 1061, 4781, 7427, 28003, 43501, 196021, 304507, 724663, 5072641, 29711183, 207978281]

約数ペア:

[(1, 207978281), (7, 29711183), (41, 5072641), (287, 724663), (683, 304507), (1061, 196021), (4781, 43501), (7427, 28003)]