290380069

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{21937}}^1$

素因数の和:22036

約数の個数: 16

約数和(自身を含む): 348199936

約数和(自身を除く): 57819867

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 21937, 153559, 680047, 1338157, 4760329, 9367099, 41482867, 290380069]

約数ペア:

[(1, 290380069), (7, 41482867), (31, 9367099), (61, 4760329), (217, 1338157), (427, 680047), (1891, 153559), (13237, 21937)]