1320221656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{12694439}}^1$

素因数の和:12694458

約数の個数: 16

約数和(自身を含む): 2665832400

約数和(自身を除く): 1345610744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12694439, 25388878, 50777756, 101555512, 165027707, 330055414, 660110828, 1320221656]

約数ペア:

[(1, 1320221656), (2, 660110828), (4, 330055414), (8, 165027707), (13, 101555512), (26, 50777756), (52, 25388878), (104, 12694439)]