7988695981

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1\times {\mathrm{1321}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 9800144640

約数和(自身を除く): 1811448659

約数列:

[1, 7, 17, 89, 119, 571, 623, 1321, 1513, 3997, 9247, 9707, 10591, 22457, 50819, 67949, 117569, 157199, 355733, 754291, 822983, 863923, 1998673, 5280037, 6047461, 12822947, 13990711, 67131899, 89760629, 469923293, 1141242283, 7988695981]

約数ペア:

[(1, 7988695981), (7, 1141242283), (17, 469923293), (89, 89760629), (119, 67131899), (571, 13990711), (623, 12822947), (1321, 6047461), (1513, 5280037), (3997, 1998673), (9247, 863923), (9707, 822983), (10591, 754291), (22457, 355733), (50819, 157199), (67949, 117569)]