16403968

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 39283200

約数和(自身を除く): 22879232

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 199, 224, 256, 322, 368, 398, 448, 512, 644, 736, 796, 896, 1288, 1393, 1472, 1592, 1792, 2576, 2786, 2944, 3184, 3584, 4577, 5152, 5572, 5888, 6368, 9154, 10304, 11144, 11776, 12736, 18308, 20608, 22288, 25472, 32039, 36616, 41216, 44576, 50944, 64078, 73232, 82432, 89152, 101888, 128156, 146464, 178304, 256312, 292928, 356608, 512624, 585856, 713216, 1025248, 1171712, 2050496, 2343424, 4100992, 8201984, 16403968]

約数ペア:

[(1, 16403968), (2, 8201984), (4, 4100992), (7, 2343424), (8, 2050496), (14, 1171712), (16, 1025248), (23, 713216), (28, 585856), (32, 512624), (46, 356608), (56, 292928), (64, 256312), (92, 178304), (112, 146464), (128, 128156), (161, 101888), (184, 89152), (199, 82432), (224, 73232), (256, 64078), (322, 50944), (368, 44576), (398, 41216), (448, 36616), (512, 32039), (644, 25472), (736, 22288), (796, 20608), (896, 18308), (1288, 12736), (1393, 11776), (1472, 11144), (1592, 10304), (1792, 9154), (2576, 6368), (2786, 5888), (2944, 5572), (3184, 5152), (3584, 4577)]