13188889

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 16547328

約数和(自身を除く): 3358439

約数列:

[1, 7, 17, 49, 71, 119, 223, 497, 833, 1207, 1561, 3479, 3791, 8449, 10927, 15833, 26537, 59143, 110831, 185759, 269161, 775817, 1884127, 13188889]

約数ペア:

[(1, 13188889), (7, 1884127), (17, 775817), (49, 269161), (71, 185759), (119, 110831), (223, 59143), (497, 26537), (833, 15833), (1207, 10927), (1561, 8449), (3479, 3791)]