257292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1021}}^1$

素因数の和:1038

約数の個数: 36

約数和(自身を含む): 744016

約数和(自身を除く): 486724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1021, 2042, 3063, 4084, 6126, 7147, 9189, 12252, 14294, 18378, 21441, 28588, 36756, 42882, 64323, 85764, 128646, 257292]

約数ペア:

[(1, 257292), (2, 128646), (3, 85764), (4, 64323), (6, 42882), (7, 36756), (9, 28588), (12, 21441), (14, 18378), (18, 14294), (21, 12252), (28, 9189), (36, 7147), (42, 6126), (63, 4084), (84, 3063), (126, 2042), (252, 1021)]