638196351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{230479}}^1$

素因数の和:230566

約数の個数: 16

約数和(自身を含む): 929295360

約数和(自身を除く): 291099009

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 230479, 691437, 2996227, 8988681, 16364009, 49092027, 212732117, 638196351]

約数ペア:

[(1, 638196351), (3, 212732117), (13, 49092027), (39, 16364009), (71, 8988681), (213, 2996227), (923, 691437), (2769, 230479)]