687388321

素因数分解:

${\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 712954368

約数和(自身を除く): 25566047

約数列:

[1, 61, 83, 137, 991, 5063, 8357, 11371, 60451, 82253, 135767, 693631, 5017433, 8281787, 11268661, 687388321]

約数ペア:

[(1, 687388321), (61, 11268661), (83, 8281787), (137, 5017433), (991, 693631), (5063, 135767), (8357, 82253), (11371, 60451)]