25870156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{997}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 48902000

約数和(自身を除く): 23031844

約数列:

[1, 2, 4, 13, 26, 52, 499, 997, 998, 1994, 1996, 3988, 6487, 12961, 12974, 25922, 25948, 51844, 497503, 995006, 1990012, 6467539, 12935078, 25870156]

約数ペア:

[(1, 25870156), (2, 12935078), (4, 6467539), (13, 1990012), (26, 995006), (52, 497503), (499, 51844), (997, 25948), (998, 25922), (1994, 12974), (1996, 12961), (3988, 6487)]