81681712

素因数分解:

$2^4\times 7^1\times {\mathrm{729301}}^1$

素因数の和:729316

約数の個数: 20

約数和(自身を含む): 180866896

約数和(自身を除く): 99185184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 729301, 1458602, 2917204, 5105107, 5834408, 10210214, 11668816, 20420428, 40840856, 81681712]

約数ペア:

[(1, 81681712), (2, 40840856), (4, 20420428), (7, 11668816), (8, 10210214), (14, 5834408), (16, 5105107), (28, 2917204), (56, 1458602), (112, 729301)]