81191266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{28649}}^1$

素因数の和:28773

約数の個数: 16

約数和(自身を含む): 132363000

約数和(自身を除く): 51171734

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 28649, 57298, 372437, 744874, 3122741, 6245482, 40595633, 81191266]

約数ペア:

[(1, 81191266), (2, 40595633), (13, 6245482), (26, 3122741), (109, 744874), (218, 372437), (1417, 57298), (2834, 28649)]