389995858

素因数分解:

$2^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{60427}}^1$

素因数の和:60897

約数の個数: 16

約数和(自身を含む): 670025664

約数和(自身を除く): 280029806

約数列:

[1, 2, 7, 14, 461, 922, 3227, 6454, 60427, 120854, 422989, 845978, 27856847, 55713694, 194997929, 389995858]

約数ペア:

[(1, 389995858), (2, 194997929), (7, 55713694), (14, 27856847), (461, 845978), (922, 422989), (3227, 120854), (6454, 60427)]