2490754

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 16

約数和(自身を含む): 4320000

約数和(自身を除く): 1829246

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 1999, 3998, 13993, 27986, 177911, 355822, 1245377, 2490754]

約数ペア:

[(1, 2490754), (2, 1245377), (7, 355822), (14, 177911), (89, 27986), (178, 13993), (623, 3998), (1246, 1999)]