81316208

素因数分解:

$2^4\times {\mathrm{1409}}^1\times {\mathrm{3607}}^1$

素因数の和:5024

約数の個数: 20

約数和(自身を含む): 157705680

約数和(自身を除く): 76389472

約数列:

[1, 2, 4, 8, 16, 1409, 2818, 3607, 5636, 7214, 11272, 14428, 22544, 28856, 57712, 5082263, 10164526, 20329052, 40658104, 81316208]

約数ペア:

[(1, 81316208), (2, 40658104), (4, 20329052), (8, 10164526), (16, 5082263), (1409, 57712), (2818, 28856), (3607, 22544), (5636, 14428), (7214, 11272)]