22640989

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 28153440

約数和(自身を除く): 5512451

約数列:

[1, 7, 19, 49, 83, 133, 293, 581, 931, 1577, 2051, 4067, 5567, 11039, 14357, 24319, 38969, 77273, 170233, 272783, 462061, 1191631, 3234427, 22640989]

約数ペア:

[(1, 22640989), (7, 3234427), (19, 1191631), (49, 462061), (83, 272783), (133, 170233), (293, 77273), (581, 38969), (931, 24319), (1577, 14357), (2051, 11039), (4067, 5567)]