678345031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 858009600

約数和(自身を除く): 179664569

約数列:

[1, 7, 13, 47, 91, 199, 329, 611, 797, 1393, 2587, 4277, 5579, 9353, 10361, 18109, 37459, 65471, 72527, 121589, 158603, 262213, 486967, 851123, 1110221, 2061839, 3408769, 7454341, 14432873, 52180387, 96906433, 678345031]

約数ペア:

[(1, 678345031), (7, 96906433), (13, 52180387), (47, 14432873), (91, 7454341), (199, 3408769), (329, 2061839), (611, 1110221), (797, 851123), (1393, 486967), (2587, 262213), (4277, 158603), (5579, 121589), (9353, 72527), (10361, 65471), (18109, 37459)]