997766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 2042880

約数和(自身を除く): 1045114

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 121, 133, 154, 209, 217, 242, 266, 341, 418, 434, 589, 682, 847, 1178, 1463, 1694, 2299, 2387, 2926, 3751, 4123, 4598, 4774, 6479, 7502, 8246, 12958, 16093, 26257, 32186, 45353, 52514, 71269, 90706, 142538, 498883, 997766]

約数ペア:

[(1, 997766), (2, 498883), (7, 142538), (11, 90706), (14, 71269), (19, 52514), (22, 45353), (31, 32186), (38, 26257), (62, 16093), (77, 12958), (121, 8246), (133, 7502), (154, 6479), (209, 4774), (217, 4598), (242, 4123), (266, 3751), (341, 2926), (418, 2387), (434, 2299), (589, 1694), (682, 1463), (847, 1178)]