199432079

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 251823264

約数和(自身を除く): 52391185

約数列:

[1, 7, 11, 77, 121, 241, 847, 977, 1687, 2651, 6839, 10747, 18557, 29161, 75229, 118217, 204127, 235457, 827519, 1648199, 2590027, 18130189, 28490297, 199432079]

約数ペア:

[(1, 199432079), (7, 28490297), (11, 18130189), (77, 2590027), (121, 1648199), (241, 827519), (847, 235457), (977, 204127), (1687, 118217), (2651, 75229), (6839, 29161), (10747, 18557)]