28253584

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19841}}^1$

素因数の和:19938

約数の個数: 20

約数和(自身を含む): 55359180

約数和(自身を除く): 27105596

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19841, 39682, 79364, 158728, 317456, 1765849, 3531698, 7063396, 14126792, 28253584]

約数ペア:

[(1, 28253584), (2, 14126792), (4, 7063396), (8, 3531698), (16, 1765849), (89, 317456), (178, 158728), (356, 79364), (712, 39682), (1424, 19841)]