2557128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 7557120

約数和(自身を除く): 4999992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 491, 651, 744, 868, 982, 1302, 1473, 1736, 1964, 2604, 2946, 3437, 3928, 5208, 5892, 6874, 10311, 11784, 13748, 15221, 20622, 27496, 30442, 41244, 45663, 60884, 82488, 91326, 106547, 121768, 182652, 213094, 319641, 365304, 426188, 639282, 852376, 1278564, 2557128]

約数ペア:

[(1, 2557128), (2, 1278564), (3, 852376), (4, 639282), (6, 426188), (7, 365304), (8, 319641), (12, 213094), (14, 182652), (21, 121768), (24, 106547), (28, 91326), (31, 82488), (42, 60884), (56, 45663), (62, 41244), (84, 30442), (93, 27496), (124, 20622), (168, 15221), (186, 13748), (217, 11784), (248, 10311), (372, 6874), (434, 5892), (491, 5208), (651, 3928), (744, 3437), (868, 2946), (982, 2604), (1302, 1964), (1473, 1736)]