31890391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 35592480

約数和(自身を除く): 3702089

約数列:

[1, 13, 43, 89, 559, 641, 1157, 3827, 8333, 27563, 49751, 57049, 358319, 741637, 2453107, 31890391]

約数ペア:

[(1, 31890391), (13, 2453107), (43, 741637), (89, 358319), (559, 57049), (641, 49751), (1157, 27563), (3827, 8333)]