123777668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{142601}}^1$

素因数の和:142643

約数の個数: 24

約数和(自身を含む): 255542784

約数和(自身を除く): 131765116

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 142601, 285202, 570404, 998207, 1996414, 3992828, 4420631, 8841262, 17682524, 30944417, 61888834, 123777668]

約数ペア:

[(1, 123777668), (2, 61888834), (4, 30944417), (7, 17682524), (14, 8841262), (28, 4420631), (31, 3992828), (62, 1996414), (124, 998207), (217, 570404), (434, 285202), (868, 142601)]