28539917

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 34024320

約数和(自身を除く): 5484403

約数列:

[1, 7, 43, 53, 301, 371, 1789, 2279, 12523, 15953, 76927, 94817, 538489, 663719, 4077131, 28539917]

約数ペア:

[(1, 28539917), (7, 4077131), (43, 663719), (53, 538489), (301, 94817), (371, 76927), (1789, 15953), (2279, 12523)]