81266864

素因数分解:

$2^4\times 7^1\times {\mathrm{725597}}^1$

素因数の和:725612

約数の個数: 20

約数和(自身を含む): 179948304

約数和(自身を除く): 98681440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725597, 1451194, 2902388, 5079179, 5804776, 10158358, 11609552, 20316716, 40633432, 81266864]

約数ペア:

[(1, 81266864), (2, 40633432), (4, 20316716), (7, 11609552), (8, 10158358), (14, 5804776), (16, 5079179), (28, 2902388), (56, 1451194), (112, 725597)]