156972004

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{17911}}^1$

素因数の和:18235

約数の個数: 24

約数和(自身を含む): 314964608

約数和(自身を除く): 157992604

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 17911, 35822, 71644, 125377, 250754, 501508, 5606143, 11212286, 22424572, 39243001, 78486002, 156972004]

約数ペア:

[(1, 156972004), (2, 78486002), (4, 39243001), (7, 22424572), (14, 11212286), (28, 5606143), (313, 501508), (626, 250754), (1252, 125377), (2191, 71644), (4382, 35822), (8764, 17911)]