393649456

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{20117}}^1$

素因数の和:21348

約数の個数: 20

約数和(自身を含む): 763357392

約数和(自身を除く): 369707936

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 9784, 19568, 20117, 40234, 80468, 160936, 321872, 24603091, 49206182, 98412364, 196824728, 393649456]

約数ペア:

[(1, 393649456), (2, 196824728), (4, 98412364), (8, 49206182), (16, 24603091), (1223, 321872), (2446, 160936), (4892, 80468), (9784, 40234), (19568, 20117)]