205184021

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{220391}}^1$

素因数の和:220424

約数の個数: 12

約数和(自身を含む): 251246880

約数和(自身を除く): 46062859

約数列:

[1, 7, 19, 49, 133, 931, 220391, 1542737, 4187429, 10799159, 29312003, 205184021]

約数ペア:

[(1, 205184021), (7, 29312003), (19, 10799159), (49, 4187429), (133, 1542737), (931, 220391)]