661331128

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{415409}}^1$

素因数の和:415614

約数の個数: 16

約数和(自身を含む): 1246230000

約数和(自身を除く): 584898872

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 415409, 830818, 1661636, 3323272, 82666391, 165332782, 330665564, 661331128]

約数ペア:

[(1, 661331128), (2, 330665564), (4, 165332782), (8, 82666391), (199, 3323272), (398, 1661636), (796, 830818), (1592, 415409)]