678490846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1340891}}^1$

素因数の和:1340927

約数の個数: 16

約数和(自身を含む): 1158530688

約数和(自身を除く): 480039842

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1340891, 2681782, 14749801, 29499602, 30840493, 61680986, 339245423, 678490846]

約数ペア:

[(1, 678490846), (2, 339245423), (11, 61680986), (22, 30840493), (23, 29499602), (46, 14749801), (253, 2681782), (506, 1340891)]