81959636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{8353}}^1$

素因数の和:8591

約数の個数: 24

約数和(自身を含む): 157188864

約数和(自身を除く): 75229228

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2453, 4906, 8353, 9812, 16706, 33412, 91883, 183766, 367532, 1862719, 3725438, 7450876, 20489909, 40979818, 81959636]

約数ペア:

[(1, 81959636), (2, 40979818), (4, 20489909), (11, 7450876), (22, 3725438), (44, 1862719), (223, 367532), (446, 183766), (892, 91883), (2453, 33412), (4906, 16706), (8353, 9812)]