256457919

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{2099}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 345744000

約数和(自身を除く): 89286081

約数列:

[1, 3, 139, 293, 417, 879, 2099, 6297, 40727, 122181, 291761, 615007, 875283, 1845021, 85485973, 256457919]

約数ペア:

[(1, 256457919), (3, 85485973), (139, 1845021), (293, 875283), (417, 615007), (879, 291761), (2099, 122181), (6297, 40727)]