15891428

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1459}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 31886400

約数和(自身を除く): 15994972

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1459, 1556, 2723, 2918, 5446, 5836, 10213, 10892, 20426, 40852, 567551, 1135102, 2270204, 3972857, 7945714, 15891428]

約数ペア:

[(1, 15891428), (2, 7945714), (4, 3972857), (7, 2270204), (14, 1135102), (28, 567551), (389, 40852), (778, 20426), (1459, 10892), (1556, 10213), (2723, 5836), (2918, 5446)]