638527201202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{408788221}}^1$

素因数の和:408788305

約数の個数: 16

約数和(自身を含む): 1059579071424

約数和(自身を除く): 421051870222

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 408788221, 817576442, 4496670431, 8993340862, 29023963691, 58047927382, 319263600601, 638527201202]

約数ペア:

[(1, 638527201202), (2, 319263600601), (11, 58047927382), (22, 29023963691), (71, 8993340862), (142, 4496670431), (781, 817576442), (1562, 408788221)]