81608464

素因数分解:

$2^4\times 7^1\times {\mathrm{728647}}^1$

素因数の和:728662

約数の個数: 20

約数和(自身を含む): 180704704

約数和(自身を除く): 99096240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 728647, 1457294, 2914588, 5100529, 5829176, 10201058, 11658352, 20402116, 40804232, 81608464]

約数ペア:

[(1, 81608464), (2, 40804232), (4, 20402116), (7, 11658352), (8, 10201058), (14, 5829176), (16, 5100529), (28, 2914588), (56, 1457294), (112, 728647)]