28919989

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 34531200

約数和(自身を除く): 5611211

約数列:

[1, 7, 29, 109, 203, 763, 1307, 3161, 9149, 22127, 37903, 142463, 265321, 997241, 4131427, 28919989]

約数ペア:

[(1, 28919989), (7, 4131427), (29, 997241), (109, 265321), (203, 142463), (763, 37903), (1307, 22127), (3161, 9149)]