206780984

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{487691}}^1$

素因数の和:487750

約数の個数: 16

約数和(自身を含む): 395030520

約数和(自身を除く): 188249536

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 487691, 975382, 1950764, 3901528, 25847623, 51695246, 103390492, 206780984]

約数ペア:

[(1, 206780984), (2, 103390492), (4, 51695246), (8, 25847623), (53, 3901528), (106, 1950764), (212, 975382), (424, 487691)]