1999138216

素因数分解:

$2^3\times {\mathrm{2003}}^1\times {\mathrm{124759}}^1$

素因数の和:126768

約数の個数: 16

約数和(自身を含む): 3750285600

約数和(自身を除く): 1751147384

約数列:

[1, 2, 4, 8, 2003, 4006, 8012, 16024, 124759, 249518, 499036, 998072, 249892277, 499784554, 999569108, 1999138216]

約数ペア:

[(1, 1999138216), (2, 999569108), (4, 499784554), (8, 249892277), (2003, 998072), (4006, 499036), (8012, 249518), (16024, 124759)]