640161097441

素因数分解:

${\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2003}}^1\times {\mathrm{75431}}^1$

素因数の和:77676

約数の個数: 16

約数和(自身を含む): 677222461440

約数和(自身を除く): 37061363999

約数列:

[1, 19, 223, 2003, 4237, 38057, 75431, 446669, 1433189, 8486711, 16821113, 151088293, 319601147, 2870677567, 33692689339, 640161097441]

約数ペア:

[(1, 640161097441), (19, 33692689339), (223, 2870677567), (2003, 319601147), (4237, 151088293), (38057, 16821113), (75431, 8486711), (446669, 1433189)]