28070686

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64679}}^1$

素因数の和:64719

約数の個数: 16

約数和(自身を含む): 49674240

約数和(自身を除く): 21603554

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 64679, 129358, 452753, 905506, 2005049, 4010098, 14035343, 28070686]

約数ペア:

[(1, 28070686), (2, 14035343), (7, 4010098), (14, 2005049), (31, 905506), (62, 452753), (217, 129358), (434, 64679)]