208510991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{919}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 232458240

約数和(自身を除く): 23947249

約数列:

[1, 13, 31, 403, 563, 919, 7319, 11947, 17453, 28489, 226889, 370357, 517397, 6726161, 16039307, 208510991]

約数ペア:

[(1, 208510991), (13, 16039307), (31, 6726161), (403, 517397), (563, 370357), (919, 226889), (7319, 28489), (11947, 17453)]