7981456

素因数分解:

$2^4\times 7^1\times {\mathrm{71263}}^1$

素因数の和:71278

約数の個数: 20

約数和(自身を含む): 17673472

約数和(自身を除く): 9692016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 71263, 142526, 285052, 498841, 570104, 997682, 1140208, 1995364, 3990728, 7981456]

約数ペア:

[(1, 7981456), (2, 3990728), (4, 1995364), (7, 1140208), (8, 997682), (14, 570104), (16, 498841), (28, 285052), (56, 142526), (112, 71263)]