4257008

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 9523200

約数和(自身を除く): 5266192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 199, 382, 398, 764, 796, 1337, 1393, 1528, 1592, 2674, 2786, 3056, 3184, 5348, 5572, 10696, 11144, 21392, 22288, 38009, 76018, 152036, 266063, 304072, 532126, 608144, 1064252, 2128504, 4257008]

約数ペア:

[(1, 4257008), (2, 2128504), (4, 1064252), (7, 608144), (8, 532126), (14, 304072), (16, 266063), (28, 152036), (56, 76018), (112, 38009), (191, 22288), (199, 21392), (382, 11144), (398, 10696), (764, 5572), (796, 5348), (1337, 3184), (1393, 3056), (1528, 2786), (1592, 2674)]