8400856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 16813440

約数和(自身を除く): 8412584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 223, 277, 446, 554, 892, 1108, 1784, 2216, 3791, 4709, 7582, 9418, 15164, 18836, 30328, 37672, 61771, 123542, 247084, 494168, 1050107, 2100214, 4200428, 8400856]

約数ペア:

[(1, 8400856), (2, 4200428), (4, 2100214), (8, 1050107), (17, 494168), (34, 247084), (68, 123542), (136, 61771), (223, 37672), (277, 30328), (446, 18836), (554, 15164), (892, 9418), (1108, 7582), (1784, 4709), (2216, 3791)]