66880919

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3463}}^1$

素因数の和:3590

約数の個数: 16

約数和(自身を含む): 79810560

約数和(自身を除く): 12929641

約数列:

[1, 7, 31, 89, 217, 623, 2759, 3463, 19313, 24241, 107353, 308207, 751471, 2157449, 9554417, 66880919]

約数ペア:

[(1, 66880919), (7, 9554417), (31, 2157449), (89, 751471), (217, 308207), (623, 107353), (2759, 24241), (3463, 19313)]