257842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 16

約数和(自身を含む): 427392

約数和(自身を除く): 169550

約数列:

[1, 2, 13, 26, 47, 94, 211, 422, 611, 1222, 2743, 5486, 9917, 19834, 128921, 257842]

約数ペア:

[(1, 257842), (2, 128921), (13, 19834), (26, 9917), (47, 5486), (94, 2743), (211, 1222), (422, 611)]