256536

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{509}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 795600

約数和(自身を除く): 539064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 509, 1018, 1527, 2036, 3054, 3563, 4072, 4581, 6108, 7126, 9162, 10689, 12216, 14252, 18324, 21378, 28504, 32067, 36648, 42756, 64134, 85512, 128268, 256536]

約数ペア:

[(1, 256536), (2, 128268), (3, 85512), (4, 64134), (6, 42756), (7, 36648), (8, 32067), (9, 28504), (12, 21378), (14, 18324), (18, 14252), (21, 12216), (24, 10689), (28, 9162), (36, 7126), (42, 6108), (56, 4581), (63, 4072), (72, 3563), (84, 3054), (126, 2036), (168, 1527), (252, 1018), (504, 509)]