1239044168

素因数分解:

$2^3\times {\mathrm{1999}}^1\times {\mathrm{77479}}^1$

素因数の和:79484

約数の個数: 16

約数和(自身を含む): 2324400000

約数和(自身を除く): 1085355832

約数列:

[1, 2, 4, 8, 1999, 3998, 7996, 15992, 77479, 154958, 309916, 619832, 154880521, 309761042, 619522084, 1239044168]

約数ペア:

[(1, 1239044168), (2, 619522084), (4, 309761042), (8, 154880521), (1999, 619832), (3998, 309916), (7996, 154958), (15992, 77479)]