389552009

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1031}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 495533376

約数和(自身を除く): 105981367

約数列:

[1, 7, 11, 49, 77, 539, 701, 1031, 4907, 7217, 7711, 11341, 34349, 50519, 53977, 79387, 377839, 555709, 722731, 5059117, 7950041, 35413819, 55650287, 389552009]

約数ペア:

[(1, 389552009), (7, 55650287), (11, 35413819), (49, 7950041), (77, 5059117), (539, 722731), (701, 555709), (1031, 377839), (4907, 79387), (7217, 53977), (7711, 50519), (11341, 34349)]