15881306

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8161}}^1$

素因数の和:8309

約数の個数: 16

約数和(自身を含む): 27424320

約数和(自身を除く): 11543014

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 8161, 16322, 57127, 114254, 1134379, 2268758, 7940653, 15881306]

約数ペア:

[(1, 15881306), (2, 7940653), (7, 2268758), (14, 1134379), (139, 114254), (278, 57127), (973, 16322), (1946, 8161)]