81655796

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{20641}}^1$

素因数の和:20711

約数の個数: 24

約数和(自身を含む): 152585664

約数和(自身を除く): 70929868

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 20641, 41282, 82564, 474743, 887563, 949486, 1775126, 1898972, 3550252, 20413949, 40827898, 81655796]

約数ペア:

[(1, 81655796), (2, 40827898), (4, 20413949), (23, 3550252), (43, 1898972), (46, 1775126), (86, 949486), (92, 887563), (172, 474743), (989, 82564), (1978, 41282), (3956, 20641)]