205440214

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137143}}^1$

素因数の和:137259

約数の個数: 16

約数和(自身を含む): 355477248

約数和(自身を除く): 150037034

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 137143, 274286, 960001, 1920002, 14674301, 29348602, 102720107, 205440214]

約数ペア:

[(1, 205440214), (2, 102720107), (7, 29348602), (14, 14674301), (107, 1920002), (214, 960001), (749, 274286), (1498, 137143)]