200720818

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{5879}}^1$

素因数の和:6321

約数の個数: 16

約数和(自身を含む): 308911680

約数和(自身を除く): 108190862

約数列:

[1, 2, 43, 86, 397, 794, 5879, 11758, 17071, 34142, 252797, 505594, 2333963, 4667926, 100360409, 200720818]

約数ペア:

[(1, 200720818), (2, 100360409), (43, 4667926), (86, 2333963), (397, 505594), (794, 252797), (5879, 34142), (11758, 17071)]