259780913

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{2731}}^1$

素因数の和:2972

約数の個数: 16

約数和(自身を含む): 302137344

約数和(自身を除く): 42356431

約数列:

[1, 7, 107, 127, 749, 889, 2731, 13589, 19117, 95123, 292217, 346837, 2045519, 2427859, 37111559, 259780913]

約数ペア:

[(1, 259780913), (7, 37111559), (107, 2427859), (127, 2045519), (749, 346837), (889, 292217), (2731, 95123), (13589, 19117)]