81989761

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{8039}}^1$

素因数の和:8124

約数の個数: 16

約数和(自身を含む): 98795520

約数和(自身を除く): 16805759

約数列:

[1, 7, 31, 47, 217, 329, 1457, 8039, 10199, 56273, 249209, 377833, 1744463, 2644831, 11712823, 81989761]

約数ペア:

[(1, 81989761), (7, 11712823), (31, 2644831), (47, 1744463), (217, 377833), (329, 249209), (1457, 56273), (8039, 10199)]