7856148976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37769947}}^1$

素因数の和:37769968

約数の個数: 20

約数和(自身を含む): 16392157432

約数和(自身を除く): 8536008456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 37769947, 75539894, 151079788, 302159576, 491009311, 604319152, 982018622, 1964037244, 3928074488, 7856148976]

約数ペア:

[(1, 7856148976), (2, 3928074488), (4, 1964037244), (8, 982018622), (13, 604319152), (16, 491009311), (26, 302159576), (52, 151079788), (104, 75539894), (208, 37769947)]