81157748

素因数分解:

$2^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{8353}}^1$

素因数の和:8711

約数の個数: 24

約数和(自身を含む): 162802752

約数和(自身を除く): 81645004

約数列:

[1, 2, 4, 7, 14, 28, 347, 694, 1388, 2429, 4858, 8353, 9716, 16706, 33412, 58471, 116942, 233884, 2898491, 5796982, 11593964, 20289437, 40578874, 81157748]

約数ペア:

[(1, 81157748), (2, 40578874), (4, 20289437), (7, 11593964), (14, 5796982), (28, 2898491), (347, 233884), (694, 116942), (1388, 58471), (2429, 33412), (4858, 16706), (8353, 9716)]