1968967

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 2700432

約数和(自身を除く): 731465

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 281, 539, 637, 1001, 1967, 3091, 3653, 7007, 13769, 21637, 25571, 40183, 151459, 178997, 281281, 1968967]

約数ペア:

[(1, 1968967), (7, 281281), (11, 178997), (13, 151459), (49, 40183), (77, 25571), (91, 21637), (143, 13769), (281, 7007), (539, 3653), (637, 3091), (1001, 1967)]