28687408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{25253}}^1$

素因数の和:25332

約数の個数: 20

約数和(自身を含む): 56366928

約数和(自身を除く): 27679520

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 25253, 50506, 101012, 202024, 404048, 1792963, 3585926, 7171852, 14343704, 28687408]

約数ペア:

[(1, 28687408), (2, 14343704), (4, 7171852), (8, 3585926), (16, 1792963), (71, 404048), (142, 202024), (284, 101012), (568, 50506), (1136, 25253)]