77540449

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1753}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 90927360

約数和(自身を除く): 13386911

約数列:

[1, 7, 71, 89, 497, 623, 1753, 6319, 12271, 44233, 124463, 156017, 871241, 1092119, 11077207, 77540449]

約数ペア:

[(1, 77540449), (7, 11077207), (71, 1092119), (89, 871241), (497, 156017), (623, 124463), (1753, 44233), (6319, 12271)]