638113281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{230449}}^1$

素因数の和:230536

約数の個数: 16

約数和(自身を含む): 929174400

約数和(自身を除く): 291061119

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 230449, 691347, 2995837, 8987511, 16361879, 49085637, 212704427, 638113281]

約数ペア:

[(1, 638113281), (3, 212704427), (13, 49085637), (39, 16361879), (71, 8987511), (213, 2995837), (923, 691347), (2769, 230449)]