628440029

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{152423}}^1$

素因数の和:152480

約数の個数: 16

約数和(自身を含む): 780410880

約数和(自身を除く): 151970851

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 152423, 1066961, 2896037, 4725113, 20272259, 33075791, 89777147, 628440029]

約数ペア:

[(1, 628440029), (7, 89777147), (19, 33075791), (31, 20272259), (133, 4725113), (217, 2896037), (589, 1066961), (4123, 152423)]