2557872004

素因数分解:

$2^2\times {\mathrm{499}}^1\times {\mathrm{643}}^1\times {\mathrm{1993}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 4494476000

約数和(自身を除く): 1936603996

約数列:

[1, 2, 4, 499, 643, 998, 1286, 1993, 1996, 2572, 3986, 7972, 320857, 641714, 994507, 1281499, 1283428, 1989014, 2562998, 3978028, 5125996, 639468001, 1278936002, 2557872004]

約数ペア:

[(1, 2557872004), (2, 1278936002), (4, 639468001), (499, 5125996), (643, 3978028), (998, 2562998), (1286, 1989014), (1993, 1283428), (1996, 1281499), (2572, 994507), (3986, 641714), (7972, 320857)]