256477284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23669}}^1$

素因数の和:23729

約数の個数: 72

約数和(自身を含む): 758197440

約数和(自身を除く): 501720156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 23669, 47338, 71007, 94676, 142014, 165683, 213021, 284028, 331366, 426042, 497049, 662732, 852084, 994098, 1017767, 1491147, 1988196, 2035534, 2982294, 3053301, 4071068, 5964588, 6106602, 7124369, 9159903, 12213204, 14248738, 18319806, 21373107, 28497476, 36639612, 42746214, 64119321, 85492428, 128238642, 256477284]

約数ペア:

[(1, 256477284), (2, 128238642), (3, 85492428), (4, 64119321), (6, 42746214), (7, 36639612), (9, 28497476), (12, 21373107), (14, 18319806), (18, 14248738), (21, 12213204), (28, 9159903), (36, 7124369), (42, 6106602), (43, 5964588), (63, 4071068), (84, 3053301), (86, 2982294), (126, 2035534), (129, 1988196), (172, 1491147), (252, 1017767), (258, 994098), (301, 852084), (387, 662732), (516, 497049), (602, 426042), (774, 331366), (903, 284028), (1204, 213021), (1548, 165683), (1806, 142014), (2709, 94676), (3612, 71007), (5418, 47338), (10836, 23669)]