28108336

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19739}}^1$

素因数の和:19836

約数の個数: 20

約数和(自身を含む): 55074600

約数和(自身を除く): 26966264

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19739, 39478, 78956, 157912, 315824, 1756771, 3513542, 7027084, 14054168, 28108336]

約数ペア:

[(1, 28108336), (2, 14054168), (4, 7027084), (8, 3513542), (16, 1756771), (89, 315824), (178, 157912), (356, 78956), (712, 39478), (1424, 19739)]