81400222

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{15493}}^1$

素因数の和:15603

約数の個数: 16

約数和(自身を含む): 127174752

約数和(自身を除く): 45774530

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 15493, 30986, 573241, 1100003, 1146482, 2200006, 40700111, 81400222]

約数ペア:

[(1, 81400222), (2, 40700111), (37, 2200006), (71, 1146482), (74, 1100003), (142, 573241), (2627, 30986), (5254, 15493)]