81667836

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{52757}}^1$

素因数の和:52810

約数の個数: 36

約数和(自身を含む): 211243032

約数和(自身を除く): 129575196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 52757, 105514, 158271, 211028, 316542, 474813, 633084, 949626, 1899252, 2268551, 4537102, 6805653, 9074204, 13611306, 20416959, 27222612, 40833918, 81667836]

約数ペア:

[(1, 81667836), (2, 40833918), (3, 27222612), (4, 20416959), (6, 13611306), (9, 9074204), (12, 6805653), (18, 4537102), (36, 2268551), (43, 1899252), (86, 949626), (129, 633084), (172, 474813), (258, 316542), (387, 211028), (516, 158271), (774, 105514), (1548, 52757)]