221202575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{27737}}^1$

素因数の和:27787

約数の個数: 24

約数和(自身を含む): 309556080

約数和(自身を除く): 88353505

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 27737, 138685, 305107, 693425, 804373, 1525535, 4021865, 7627675, 8848103, 20109325, 44240515, 221202575]

約数ペア:

[(1, 221202575), (5, 44240515), (11, 20109325), (25, 8848103), (29, 7627675), (55, 4021865), (145, 1525535), (275, 804373), (319, 693425), (725, 305107), (1595, 138685), (7975, 27737)]