256876774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1668031}}^1$

素因数の和:1668051

約数の個数: 16

約数和(自身を含む): 480393216

約数和(自身を除く): 223516442

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1668031, 3336062, 11676217, 18348341, 23352434, 36696682, 128438387, 256876774]

約数ペア:

[(1, 256876774), (2, 128438387), (7, 36696682), (11, 23352434), (14, 18348341), (22, 11676217), (77, 3336062), (154, 1668031)]