89877809

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{5081}}^1$

素因数の和:5133

約数の個数: 18

約数和(自身を含む): 110365794

約数和(自身を除く): 20487985

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 5081, 17689, 35567, 96539, 248969, 675773, 1834241, 4730411, 12839687, 89877809]

約数ペア:

[(1, 89877809), (7, 12839687), (19, 4730411), (49, 1834241), (133, 675773), (361, 248969), (931, 96539), (2527, 35567), (5081, 17689)]