81408478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{26903}}^1$

素因数の和:27011

約数の個数: 16

約数和(自身を含む): 130753440

約数和(自身を除く): 49344962

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 26903, 53806, 457351, 914702, 2394367, 4788734, 40704239, 81408478]

約数ペア:

[(1, 81408478), (2, 40704239), (17, 4788734), (34, 2394367), (89, 914702), (178, 457351), (1513, 53806), (3026, 26903)]