28086898

素因数分解:

$2^1\times 7^4\times {\mathrm{5849}}^1$

素因数の和:5879

約数の個数: 20

約数和(自身を含む): 49157550

約数和(自身を除く): 21070652

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 5849, 11698, 40943, 81886, 286601, 573202, 2006207, 4012414, 14043449, 28086898]

約数ペア:

[(1, 28086898), (2, 14043449), (7, 4012414), (14, 2006207), (49, 573202), (98, 286601), (343, 81886), (686, 40943), (2401, 11698), (4802, 5849)]