31931843

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 2662717

約数列:

[1, 23, 43, 83, 389, 989, 1909, 3569, 8947, 16727, 32287, 82087, 384721, 742601, 1388341, 31931843]

約数ペア:

[(1, 31931843), (23, 1388341), (43, 742601), (83, 384721), (389, 82087), (989, 32287), (1909, 16727), (3569, 8947)]