28518791

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6917}}^1$

素因数の和:6974

約数の個数: 16

約数和(自身を含む): 35420160

約数和(自身を除く): 6901369

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 6917, 48419, 131423, 214427, 919961, 1500989, 4074113, 28518791]

約数ペア:

[(1, 28518791), (7, 4074113), (19, 1500989), (31, 919961), (133, 214427), (217, 131423), (589, 48419), (4123, 6917)]