66481765

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31139}}^1$

素因数の和:31212

約数の個数: 16

約数和(自身を含む): 92672640

約数和(自身を除く): 26190875

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 31139, 155695, 217973, 1089865, 1899479, 9497395, 13296353, 66481765]

約数ペア:

[(1, 66481765), (5, 13296353), (7, 9497395), (35, 1899479), (61, 1089865), (305, 217973), (427, 155695), (2135, 31139)]