27784708

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 58189824

約数和(自身を除く): 30405116

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 301, 329, 491, 602, 658, 982, 1204, 1316, 1964, 2021, 3437, 4042, 6874, 8084, 13748, 14147, 21113, 23077, 28294, 42226, 46154, 56588, 84452, 92308, 147791, 161539, 295582, 323078, 591164, 646156, 992311, 1984622, 3969244, 6946177, 13892354, 27784708]

約数ペア:

[(1, 27784708), (2, 13892354), (4, 6946177), (7, 3969244), (14, 1984622), (28, 992311), (43, 646156), (47, 591164), (86, 323078), (94, 295582), (172, 161539), (188, 147791), (301, 92308), (329, 84452), (491, 56588), (602, 46154), (658, 42226), (982, 28294), (1204, 23077), (1316, 21113), (1964, 14147), (2021, 13748), (3437, 8084), (4042, 6874)]