8781472

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11176928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 199, 224, 394, 398, 788, 796, 1379, 1393, 1576, 1592, 2758, 2786, 3152, 3184, 5516, 5572, 6304, 6368, 11032, 11144, 22064, 22288, 39203, 44128, 44576, 78406, 156812, 274421, 313624, 548842, 627248, 1097684, 1254496, 2195368, 4390736, 8781472]

約数ペア:

[(1, 8781472), (2, 4390736), (4, 2195368), (7, 1254496), (8, 1097684), (14, 627248), (16, 548842), (28, 313624), (32, 274421), (56, 156812), (112, 78406), (197, 44576), (199, 44128), (224, 39203), (394, 22288), (398, 22064), (788, 11144), (796, 11032), (1379, 6368), (1393, 6304), (1576, 5572), (1592, 5516), (2758, 3184), (2786, 3152)]