16281209

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 19420800

約数和(自身を除く): 3139591

約数列:

[1, 7, 29, 139, 203, 577, 973, 4031, 4039, 16733, 28217, 80203, 117131, 561421, 2325887, 16281209]

約数ペア:

[(1, 16281209), (7, 2325887), (29, 561421), (139, 117131), (203, 80203), (577, 28217), (973, 16733), (4031, 4039)]