809776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 1767744

約数和(自身を除く): 957968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 107, 172, 176, 214, 344, 428, 473, 688, 856, 946, 1177, 1712, 1892, 2354, 3784, 4601, 4708, 7568, 9202, 9416, 18404, 18832, 36808, 50611, 73616, 101222, 202444, 404888, 809776]

約数ペア:

[(1, 809776), (2, 404888), (4, 202444), (8, 101222), (11, 73616), (16, 50611), (22, 36808), (43, 18832), (44, 18404), (86, 9416), (88, 9202), (107, 7568), (172, 4708), (176, 4601), (214, 3784), (344, 2354), (428, 1892), (473, 1712), (688, 1177), (856, 946)]