128268

素因数分解:

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

素因数の和:526

約数の個数: 36

約数和(自身を含む): 371280

約数和(自身を除く): 243012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509, 1018, 1527, 2036, 3054, 3563, 4581, 6108, 7126, 9162, 10689, 14252, 18324, 21378, 32067, 42756, 64134, 128268]

約数ペア:

[(1, 128268), (2, 64134), (3, 42756), (4, 32067), (6, 21378), (7, 18324), (9, 14252), (12, 10689), (14, 9162), (18, 7126), (21, 6108), (28, 4581), (36, 3563), (42, 3054), (63, 2036), (84, 1527), (126, 1018), (252, 509)]