8720026

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4481}}^1$

素因数の和:4629

約数の個数: 16

約数和(自身を含む): 15059520

約数和(自身を除く): 6339494

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 4481, 8962, 31367, 62734, 622859, 1245718, 4360013, 8720026]

約数ペア:

[(1, 8720026), (2, 4360013), (7, 1245718), (14, 622859), (139, 62734), (278, 31367), (973, 8962), (1946, 4481)]