138840772

素因数分解:

$2^2\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{2971}}^1$

素因数の和:4651

約数の個数: 24

約数和(自身を含む): 277941440

約数和(自身を除く): 139100668

約数列:

[1, 2, 4, 7, 14, 28, 1669, 2971, 3338, 5942, 6676, 11683, 11884, 20797, 23366, 41594, 46732, 83188, 4958599, 9917198, 19834396, 34710193, 69420386, 138840772]

約数ペア:

[(1, 138840772), (2, 69420386), (4, 34710193), (7, 19834396), (14, 9917198), (28, 4958599), (1669, 83188), (2971, 46732), (3338, 41594), (5942, 23366), (6676, 20797), (11683, 11884)]