628014018

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{397981}}^1$

素因数の和:398249

約数の個数: 16

約数和(自身を含む): 1260806976

約数和(自身を除く): 632792958

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 397981, 795962, 1193943, 2387886, 104669003, 209338006, 314007009, 628014018]

約数ペア:

[(1, 628014018), (2, 314007009), (3, 209338006), (6, 104669003), (263, 2387886), (526, 1193943), (789, 795962), (1578, 397981)]