256588259

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 285590448

約数和(自身を除く): 29002189

約数列:

[1, 17, 29, 131, 137, 493, 841, 2227, 2329, 3799, 3973, 14297, 17947, 64583, 67541, 110171, 115217, 305099, 520463, 1872907, 1958689, 8847871, 15093427, 256588259]

約数ペア:

[(1, 256588259), (17, 15093427), (29, 8847871), (131, 1958689), (137, 1872907), (493, 520463), (841, 305099), (2227, 115217), (2329, 110171), (3799, 67541), (3973, 64583), (14297, 17947)]