1991891312

素因数分解:

$2^4\times {\mathrm{3079}}^1\times {\mathrm{40433}}^1$

素因数の和:43520

約数の個数: 20

約数和(自身を含む): 3860638320

約数和(自身を除く): 1868747008

約数列:

[1, 2, 4, 8, 16, 3079, 6158, 12316, 24632, 40433, 49264, 80866, 161732, 323464, 646928, 124493207, 248986414, 497972828, 995945656, 1991891312]

約数ペア:

[(1, 1991891312), (2, 995945656), (4, 497972828), (8, 248986414), (16, 124493207), (3079, 646928), (6158, 323464), (12316, 161732), (24632, 80866), (40433, 49264)]