1891641410

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{449321}}^1$

素因数の和:449749

約数の個数: 16

約数和(自身を含む): 3413049912

約数和(自身を除く): 1521408502

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 449321, 898642, 2246605, 4493210, 189164141, 378328282, 945820705, 1891641410]

約数ペア:

[(1, 1891641410), (2, 945820705), (5, 378328282), (10, 189164141), (421, 4493210), (842, 2246605), (2105, 898642), (4210, 449321)]