81256546

素因数分解:

$2^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{3919}}^1$

素因数の和:5409

約数の個数: 16

約数和(自身を含む): 139426560

約数和(自身を除く): 58170014

約数列:

[1, 2, 7, 14, 1481, 2962, 3919, 7838, 10367, 20734, 27433, 54866, 5804039, 11608078, 40628273, 81256546]

約数ペア:

[(1, 81256546), (2, 40628273), (7, 11608078), (14, 5804039), (1481, 54866), (2962, 27433), (3919, 20734), (7838, 10367)]