16820251

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 19756800

約数和(自身を除く): 2936549

約数列:

[1, 7, 59, 139, 293, 413, 973, 2051, 8201, 17287, 40727, 57407, 121009, 285089, 2402893, 16820251]

約数ペア:

[(1, 16820251), (7, 2402893), (59, 285089), (139, 121009), (293, 57407), (413, 40727), (973, 17287), (2051, 8201)]