205165009

素因数分解:

$7^2\times {\mathrm{239}}^1\times {\mathrm{17519}}^1$

素因数の和:17772

約数の個数: 12

約数和(自身を含む): 239673600

約数和(自身を除く): 34508591

約数列:

[1, 7, 49, 239, 1673, 11711, 17519, 122633, 858431, 4187041, 29309287, 205165009]

約数ペア:

[(1, 205165009), (7, 29309287), (49, 4187041), (239, 858431), (1673, 122633), (11711, 17519)]