81132016

素因数分解:

$2^4\times 7^1\times {\mathrm{724393}}^1$

素因数の和:724408

約数の個数: 20

約数和(自身を含む): 179649712

約数和(自身を除く): 98517696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724393, 1448786, 2897572, 5070751, 5795144, 10141502, 11590288, 20283004, 40566008, 81132016]

約数ペア:

[(1, 81132016), (2, 40566008), (4, 20283004), (7, 11590288), (8, 10141502), (14, 5795144), (16, 5070751), (28, 2897572), (56, 1448786), (112, 724393)]