81148048

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{220511}}^1$

素因数の和:220542

約数の個数: 20

約数和(自身を含む): 164060928

約数和(自身を除く): 82912880

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 220511, 441022, 882044, 1764088, 3528176, 5071753, 10143506, 20287012, 40574024, 81148048]

約数ペア:

[(1, 81148048), (2, 40574024), (4, 20287012), (8, 10143506), (16, 5071753), (23, 3528176), (46, 1764088), (92, 882044), (184, 441022), (368, 220511)]