7623889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 9452800

約数和(自身を除く): 1828911

約数列:

[1, 7, 13, 91, 199, 421, 1393, 2587, 2947, 5473, 18109, 38311, 83779, 586453, 1089127, 7623889]

約数ペア:

[(1, 7623889), (7, 1089127), (13, 586453), (91, 83779), (199, 38311), (421, 18109), (1393, 5473), (2587, 2947)]