28786919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 34990080

約数和(自身を除く): 6203161

約数列:

[1, 7, 19, 101, 133, 707, 1919, 2143, 13433, 15001, 40717, 216443, 285019, 1515101, 4112417, 28786919]

約数ペア:

[(1, 28786919), (7, 4112417), (19, 1515101), (101, 285019), (133, 216443), (707, 40717), (1919, 15001), (2143, 13433)]