81244016

素因数分解:

$2^4\times 7^1\times {\mathrm{725393}}^1$

素因数の和:725408

約数の個数: 20

約数和(自身を含む): 179897712

約数和(自身を除く): 98653696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725393, 1450786, 2901572, 5077751, 5803144, 10155502, 11606288, 20311004, 40622008, 81244016]

約数ペア:

[(1, 81244016), (2, 40622008), (4, 20311004), (7, 11606288), (8, 10155502), (14, 5803144), (16, 5077751), (28, 2901572), (56, 1450786), (112, 725393)]