81408334

素因数分解:

$2^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{11161}}^1$

素因数の和:11691

約数の個数: 16

約数和(自身を含む): 139837536

約数和(自身を除く): 58429202

約数列:

[1, 2, 7, 14, 521, 1042, 3647, 7294, 11161, 22322, 78127, 156254, 5814881, 11629762, 40704167, 81408334]

約数ペア:

[(1, 81408334), (2, 40704167), (7, 11629762), (14, 5814881), (521, 156254), (1042, 78127), (3647, 22322), (7294, 11161)]