2109131678

素因数分解:

$2^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1\times {\mathrm{2161}}^1$

素因数の和:4523

約数の個数: 16

約数和(自身を含む): 3180474960

約数和(自身を除く): 1071343282

約数列:

[1, 2, 229, 458, 2131, 2161, 4262, 4322, 487999, 494869, 975998, 989738, 4605091, 9210182, 1054565839, 2109131678]

約数ペア:

[(1, 2109131678), (2, 1054565839), (229, 9210182), (458, 4605091), (2131, 989738), (2161, 975998), (4262, 494869), (4322, 487999)]