128965669

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{10973}}^1$

素因数の和:11076

約数の個数: 16

約数和(自身を含む): 155918592

約数和(自身を除く): 26952923

約数列:

[1, 7, 23, 73, 161, 511, 1679, 10973, 11753, 76811, 252379, 801029, 1766653, 5607203, 18423667, 128965669]

約数ペア:

[(1, 128965669), (7, 18423667), (23, 5607203), (73, 1766653), (161, 801029), (511, 252379), (1679, 76811), (10973, 11753)]