68220918

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{53381}}^1$

素因数の和:53460

約数の個数: 24

約数和(自身を含む): 149896656

約数和(自身を除く): 81675738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 53381, 106762, 160143, 320286, 480429, 960858, 3790051, 7580102, 11370153, 22740306, 34110459, 68220918]

約数ペア:

[(1, 68220918), (2, 34110459), (3, 22740306), (6, 11370153), (9, 7580102), (18, 3790051), (71, 960858), (142, 480429), (213, 320286), (426, 160143), (639, 106762), (1278, 53381)]