81589284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323767}}^1$

素因数の和:323784

約数の個数: 36

約数和(自身を含む): 235703104

約数和(自身を除く): 154113820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323767, 647534, 971301, 1295068, 1942602, 2266369, 2913903, 3885204, 4532738, 5827806, 6799107, 9065476, 11655612, 13598214, 20397321, 27196428, 40794642, 81589284]

約数ペア:

[(1, 81589284), (2, 40794642), (3, 27196428), (4, 20397321), (6, 13598214), (7, 11655612), (9, 9065476), (12, 6799107), (14, 5827806), (18, 4532738), (21, 3885204), (28, 2913903), (36, 2266369), (42, 1942602), (63, 1295068), (84, 971301), (126, 647534), (252, 323767)]