16764517

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 22407840

約数和(自身を除く): 5643323

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 1637, 10241, 11459, 18007, 31103, 80213, 126049, 217721, 342133, 882343, 1524047, 2394931, 16764517]

約数ペア:

[(1, 16764517), (7, 2394931), (11, 1524047), (19, 882343), (49, 342133), (77, 217721), (133, 126049), (209, 80213), (539, 31103), (931, 18007), (1463, 11459), (1637, 10241)]