256475294

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{54269}}^1$

素因数の和:54427

約数の個数: 16

約数和(自身を含む): 410281200

約数和(自身を除く): 153805906

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 54269, 108538, 922573, 1845146, 7543391, 15086782, 128237647, 256475294]

約数ペア:

[(1, 256475294), (2, 128237647), (17, 15086782), (34, 7543391), (139, 1845146), (278, 922573), (2363, 108538), (4726, 54269)]