28417939

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 33707520

約数和(自身を除く): 5289581

約数列:

[1, 11, 19, 47, 121, 209, 263, 517, 893, 2299, 2893, 4997, 5687, 9823, 12361, 31823, 54967, 108053, 135971, 234859, 604637, 1495681, 2583449, 28417939]

約数ペア:

[(1, 28417939), (11, 2583449), (19, 1495681), (47, 604637), (121, 234859), (209, 135971), (263, 108053), (517, 54967), (893, 31823), (2299, 12361), (2893, 9823), (4997, 5687)]