30993985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7937}}^1$

素因数の和:8024

約数の個数: 16

約数和(自身を含む): 41150592

約数和(自身を除く): 10156607

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 7937, 39685, 87307, 436535, 563527, 2817635, 6198797, 30993985]

約数ペア:

[(1, 30993985), (5, 6198797), (11, 2817635), (55, 563527), (71, 436535), (355, 87307), (781, 39685), (3905, 7937)]