78813790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3637}}^1$

素因数の和:3852

約数の個数: 32

約数和(自身を含む): 155589984

約数和(自身を除く): 76776194

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 985, 1970, 2167, 3637, 4334, 7274, 10835, 18185, 21670, 36370, 40007, 80014, 200035, 400070, 716489, 1432978, 3582445, 7164890, 7881379, 15762758, 39406895, 78813790]

約数ペア:

[(1, 78813790), (2, 39406895), (5, 15762758), (10, 7881379), (11, 7164890), (22, 3582445), (55, 1432978), (110, 716489), (197, 400070), (394, 200035), (985, 80014), (1970, 40007), (2167, 36370), (3637, 21670), (4334, 18185), (7274, 10835)]