30890116

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{5641}}^1$

素因数の和:5719

約数の個数: 18

約数和(自身を含む): 55568058

約数和(自身を除く): 24677942

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 5641, 11282, 22564, 208717, 417434, 834868, 7722529, 15445058, 30890116]

約数ペア:

[(1, 30890116), (2, 15445058), (4, 7722529), (37, 834868), (74, 417434), (148, 208717), (1369, 22564), (2738, 11282), (5476, 5641)]