219330515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{4013}}^1$

素因数の和:4678

約数の個数: 16

約数和(自身を含む): 279181728

約数和(自身を除く): 59851213

約数列:

[1, 5, 17, 85, 643, 3215, 4013, 10931, 20065, 54655, 68221, 341105, 2580359, 12901795, 43866103, 219330515]

約数ペア:

[(1, 219330515), (5, 43866103), (17, 12901795), (85, 2580359), (643, 341105), (3215, 68221), (4013, 54655), (10931, 20065)]