285259919

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{141991}}^1$

素因数の和:142046

約数の個数: 12

約数和(自身を含む): 339928848

約数和(自身を除く): 54668929

約数列:

[1, 7, 41, 49, 287, 2009, 141991, 993937, 5821631, 6957559, 40751417, 285259919]

約数ペア:

[(1, 285259919), (7, 40751417), (41, 6957559), (49, 5821631), (287, 993937), (2009, 141991)]