128455796

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{17851}}^1$

素因数の和:18119

約数の個数: 24

約数和(自身を含む): 257925696

約数和(自身を除く): 129469900

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 17851, 35702, 71404, 124957, 249914, 499828, 4587707, 9175414, 18350828, 32113949, 64227898, 128455796]

約数ペア:

[(1, 128455796), (2, 64227898), (4, 32113949), (7, 18350828), (14, 9175414), (28, 4587707), (257, 499828), (514, 249914), (1028, 124957), (1799, 71404), (3598, 35702), (7196, 17851)]