664351922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{323443}}^1$

素因数の和:323537

約数の個数: 16

約数和(自身を含む): 1086771840

約数和(自身を除く): 422419918

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 323443, 646886, 4204759, 8409518, 25551997, 51103994, 332175961, 664351922]

約数ペア:

[(1, 664351922), (2, 332175961), (13, 51103994), (26, 25551997), (79, 8409518), (158, 4204759), (1027, 646886), (2054, 323443)]