28131191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 4355209

約数列:

[1, 11, 19, 209, 281, 479, 3091, 5269, 5339, 9101, 58729, 100111, 134599, 1480589, 2557381, 28131191]

約数ペア:

[(1, 28131191), (11, 2557381), (19, 1480589), (209, 134599), (281, 100111), (479, 58729), (3091, 9101), (5269, 5339)]