81306785

素因数分解:

$5^1\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{1601}}^1$

素因数の和:3064

約数の個数: 16

約数和(自身を含む): 111652992

約数和(自身を除く): 30346207

約数列:

[1, 5, 7, 35, 1451, 1601, 7255, 8005, 10157, 11207, 50785, 56035, 2323051, 11615255, 16261357, 81306785]

約数ペア:

[(1, 81306785), (5, 16261357), (7, 11615255), (35, 2323051), (1451, 56035), (1601, 50785), (7255, 11207), (8005, 10157)]