13405784

素因数分解:

$2^3\times 7^1\times {\mathrm{239389}}^1$

素因数の和:239402

約数の個数: 16

約数和(自身を含む): 28726800

約数和(自身を除く): 15321016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239389, 478778, 957556, 1675723, 1915112, 3351446, 6702892, 13405784]

約数ペア:

[(1, 13405784), (2, 6702892), (4, 3351446), (7, 1915112), (8, 1675723), (14, 957556), (28, 478778), (56, 239389)]