81157574

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1\times {\mathrm{701}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 123276816

約数和(自身を除く): 42119242

約数列:

[1, 2, 107, 214, 541, 701, 1082, 1402, 57887, 75007, 115774, 150014, 379241, 758482, 40578787, 81157574]

約数ペア:

[(1, 81157574), (2, 40578787), (107, 758482), (214, 379241), (541, 150014), (701, 115774), (1082, 75007), (1402, 57887)]