81704308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71171}}^1$

素因数の和:71223

約数の個数: 24

約数和(自身を含む): 167396544

約数和(自身を除く): 85692236

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 71171, 142342, 284684, 498197, 996394, 1992788, 2918011, 5836022, 11672044, 20426077, 40852154, 81704308]

約数ペア:

[(1, 81704308), (2, 40852154), (4, 20426077), (7, 11672044), (14, 5836022), (28, 2918011), (41, 1992788), (82, 996394), (164, 498197), (287, 284684), (574, 142342), (1148, 71171)]