51390916

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{15881}}^1$

素因数の和:16694

約数の個数: 12

約数和(自身を含む): 90050940

約数和(自身を除く): 38660024

約数列:

[1, 2, 4, 809, 1618, 3236, 15881, 31762, 63524, 12847729, 25695458, 51390916]

約数ペア:

[(1, 51390916), (2, 25695458), (4, 12847729), (809, 63524), (1618, 31762), (3236, 15881)]