22271291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3290

約数の個数: 16

約数和(自身を含む): 27185664

約数和(自身を除く): 4914373

約数列:

[1, 7, 23, 43, 161, 301, 989, 3217, 6923, 22519, 73991, 138331, 517937, 968317, 3181613, 22271291]

約数ペア:

[(1, 22271291), (7, 3181613), (23, 968317), (43, 517937), (161, 138331), (301, 73991), (989, 22519), (3217, 6923)]