28351205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1811}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 35486208

約数和(自身を除く): 7135003

約数列:

[1, 5, 31, 101, 155, 505, 1811, 3131, 9055, 15655, 56141, 182911, 280705, 914555, 5670241, 28351205]

約数ペア:

[(1, 28351205), (5, 5670241), (31, 914555), (101, 280705), (155, 182911), (505, 56141), (1811, 15655), (3131, 9055)]