81581572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{3833}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 151688376

約数和(自身を除く): 70106804

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 1252, 3833, 5321, 7666, 10642, 15332, 21284, 65161, 130322, 260644, 1199729, 2399458, 4798916, 20395393, 40790786, 81581572]

約数ペア:

[(1, 81581572), (2, 40790786), (4, 20395393), (17, 4798916), (34, 2399458), (68, 1199729), (313, 260644), (626, 130322), (1252, 65161), (3833, 21284), (5321, 15332), (7666, 10642)]