28705514

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 43636320

約数和(自身を除く): 14930806

約数列:

[1, 2, 179, 181, 358, 362, 443, 886, 32399, 64798, 79297, 80183, 158594, 160366, 14352757, 28705514]

約数ペア:

[(1, 28705514), (2, 14352757), (179, 160366), (181, 158594), (358, 80183), (362, 79297), (443, 64798), (886, 32399)]