28027945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26856

約数の個数: 16

約数和(自身を含む): 38623680

約数和(自身を除く): 10595735

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 26821, 134105, 295031, 509599, 1475155, 2547995, 5605589, 28027945]

約数ペア:

[(1, 28027945), (5, 5605589), (11, 2547995), (19, 1475155), (55, 509599), (95, 295031), (209, 134105), (1045, 26821)]