978018044

素因数分解:

$2^2\times {\mathrm{499}}^1\times {\mathrm{489989}}^1$

素因数の和:490492

約数の個数: 12

約数和(自身を含む): 1714965000

約数和(自身を除く): 736946956

約数列:

[1, 2, 4, 499, 998, 1996, 489989, 979978, 1959956, 244504511, 489009022, 978018044]

約数ペア:

[(1, 978018044), (2, 489009022), (4, 244504511), (499, 1959956), (998, 979978), (1996, 489989)]