128867624

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{1327}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 247008000

約数和(自身を除く): 118140376

約数列:

[1, 2, 4, 8, 61, 122, 199, 244, 398, 488, 796, 1327, 1592, 2654, 5308, 10616, 12139, 24278, 48556, 80947, 97112, 161894, 264073, 323788, 528146, 647576, 1056292, 2112584, 16108453, 32216906, 64433812, 128867624]

約数ペア:

[(1, 128867624), (2, 64433812), (4, 32216906), (8, 16108453), (61, 2112584), (122, 1056292), (199, 647576), (244, 528146), (398, 323788), (488, 264073), (796, 161894), (1327, 97112), (1592, 80947), (2654, 48556), (5308, 24278), (10616, 12139)]