201821776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{970297}}^1$

素因数の和:970318

約数の個数: 20

約数和(自身を含む): 421109332

約数和(自身を除く): 219287556

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 970297, 1940594, 3881188, 7762376, 12613861, 15524752, 25227722, 50455444, 100910888, 201821776]

約数ペア:

[(1, 201821776), (2, 100910888), (4, 50455444), (8, 25227722), (13, 15524752), (16, 12613861), (26, 7762376), (52, 3881188), (104, 1940594), (208, 970297)]