81111914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{28621}}^1$

素因数の和:28745

約数の個数: 16

約数和(自身を含む): 132233640

約数和(自身を除く): 51121726

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 28621, 57242, 372073, 744146, 3119689, 6239378, 40555957, 81111914]

約数ペア:

[(1, 81111914), (2, 40555957), (13, 6239378), (26, 3119689), (109, 744146), (218, 372073), (1417, 57242), (2834, 28621)]