81482078

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{2689}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 124278000

約数和(自身を除く): 42795922

約数列:

[1, 2, 109, 139, 218, 278, 2689, 5378, 15151, 30302, 293101, 373771, 586202, 747542, 40741039, 81482078]

約数ペア:

[(1, 81482078), (2, 40741039), (109, 747542), (139, 586202), (218, 373771), (278, 293101), (2689, 30302), (5378, 15151)]