890643604

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{10457}}^1$

素因数の和:10767

約数の個数: 24

約数和(自身を含む): 1581249600

約数和(自身を除く): 690605996

約数列:

[1, 2, 4, 107, 199, 214, 398, 428, 796, 10457, 20914, 21293, 41828, 42586, 85172, 1118899, 2080943, 2237798, 4161886, 4475596, 8323772, 222660901, 445321802, 890643604]

約数ペア:

[(1, 890643604), (2, 445321802), (4, 222660901), (107, 8323772), (199, 4475596), (214, 4161886), (398, 2237798), (428, 2080943), (796, 1118899), (10457, 85172), (20914, 42586), (21293, 41828)]