81610564

素因数分解:

$2^2\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{1759}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 163412480

約数和(自身を除く): 81801916

約数列:

[1, 2, 4, 7, 14, 28, 1657, 1759, 3314, 3518, 6628, 7036, 11599, 12313, 23198, 24626, 46396, 49252, 2914663, 5829326, 11658652, 20402641, 40805282, 81610564]

約数ペア:

[(1, 81610564), (2, 40805282), (4, 20402641), (7, 11658652), (14, 5829326), (28, 2914663), (1657, 49252), (1759, 46396), (3314, 24626), (3518, 23198), (6628, 12313), (7036, 11599)]