81057616

素因数分解:

$2^4\times {\mathrm{2221}}^1\times {\mathrm{2281}}^1$

素因数の和:4510

約数の個数: 20

約数和(自身を含む): 157188724

約数和(自身を除く): 76131108

約数列:

[1, 2, 4, 8, 16, 2221, 2281, 4442, 4562, 8884, 9124, 17768, 18248, 35536, 36496, 5066101, 10132202, 20264404, 40528808, 81057616]

約数ペア:

[(1, 81057616), (2, 40528808), (4, 20264404), (8, 10132202), (16, 5066101), (2221, 36496), (2281, 35536), (4442, 18248), (4562, 17768), (8884, 9124)]