86861516

素因数分解:

$2^2\times 7^2\times {\mathrm{443171}}^1$

素因数の和:443189

約数の個数: 18

約数和(自身を含む): 176825628

約数和(自身を除く): 89964112

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443171, 886342, 1772684, 3102197, 6204394, 12408788, 21715379, 43430758, 86861516]

約数ペア:

[(1, 86861516), (2, 43430758), (4, 21715379), (7, 12408788), (14, 6204394), (28, 3102197), (49, 1772684), (98, 886342), (196, 443171)]