81811324

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11369}}^1$

素因数の和:11637

約数の個数: 24

約数和(自身を含む): 164273760

約数和(自身を除く): 82462436

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 11369, 22738, 45476, 79583, 159166, 318332, 2921833, 5843666, 11687332, 20452831, 40905662, 81811324]

約数ペア:

[(1, 81811324), (2, 40905662), (4, 20452831), (7, 11687332), (14, 5843666), (28, 2921833), (257, 318332), (514, 159166), (1028, 79583), (1799, 45476), (3598, 22738), (7196, 11369)]