28122109

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 30764800

約数和(自身を除く): 2642691

約数列:

[1, 19, 37, 109, 367, 703, 2071, 4033, 6973, 13579, 40003, 76627, 258001, 760057, 1480111, 28122109]

約数ペア:

[(1, 28122109), (19, 1480111), (37, 760057), (109, 258001), (367, 76627), (703, 40003), (2071, 13579), (4033, 6973)]