16971988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{773}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 32508000

約数和(自身を除く): 15536012

約数列:

[1, 2, 4, 11, 22, 44, 499, 773, 998, 1546, 1996, 3092, 5489, 8503, 10978, 17006, 21956, 34012, 385727, 771454, 1542908, 4242997, 8485994, 16971988]

約数ペア:

[(1, 16971988), (2, 8485994), (4, 4242997), (11, 1542908), (22, 771454), (44, 385727), (499, 34012), (773, 21956), (998, 17006), (1546, 10978), (1996, 8503), (3092, 5489)]