31985855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8191}}^1$

素因数の和:8278

約数の個数: 16

約数和(自身を含む): 42467328

約数和(自身を除く): 10481473

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 8191, 40955, 90101, 450505, 581561, 2907805, 6397171, 31985855]

約数ペア:

[(1, 31985855), (5, 6397171), (11, 2907805), (55, 581561), (71, 450505), (355, 90101), (781, 40955), (3905, 8191)]