208519493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{4013}}^1$

素因数の和:4604

約数の個数: 16

約数和(自身を含む): 257152896

約数和(自身を除く): 48633403

約数列:

[1, 7, 13, 91, 571, 3997, 4013, 7423, 28091, 51961, 52169, 365183, 2291423, 16039961, 29788499, 208519493]

約数ペア:

[(1, 208519493), (7, 29788499), (13, 16039961), (91, 2291423), (571, 365183), (3997, 52169), (4013, 51961), (7423, 28091)]