139429516

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{490949}}^1$

素因数の和:491024

約数の個数: 12

約数和(自身を含む): 247438800

約数和(自身を除く): 108009284

約数列:

[1, 2, 4, 71, 142, 284, 490949, 981898, 1963796, 34857379, 69714758, 139429516]

約数ペア:

[(1, 139429516), (2, 69714758), (4, 34857379), (71, 1963796), (142, 981898), (284, 490949)]