81554770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1303}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 160548480

約数和(自身を除く): 78993710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 569, 1138, 1303, 2606, 2845, 5690, 6259, 6515, 12518, 13030, 14333, 28666, 31295, 62590, 71665, 143330, 741407, 1482814, 3707035, 7414070, 8155477, 16310954, 40777385, 81554770]

約数ペア:

[(1, 81554770), (2, 40777385), (5, 16310954), (10, 8155477), (11, 7414070), (22, 3707035), (55, 1482814), (110, 741407), (569, 143330), (1138, 71665), (1303, 62590), (2606, 31295), (2845, 28666), (5690, 14333), (6259, 13030), (6515, 12518)]