311332814

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 534910464

約数和(自身を除く): 223577650

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 169, 338, 403, 559, 691, 806, 1118, 1333, 1382, 2666, 5239, 7267, 8983, 10478, 14534, 17329, 17966, 21421, 29713, 34658, 42842, 59426, 116779, 225277, 233558, 278473, 386269, 450554, 556946, 772538, 921103, 1842206, 3620149, 5021497, 7240298, 10042994, 11974339, 23948678, 155666407, 311332814]

約数ペア:

[(1, 311332814), (2, 155666407), (13, 23948678), (26, 11974339), (31, 10042994), (43, 7240298), (62, 5021497), (86, 3620149), (169, 1842206), (338, 921103), (403, 772538), (559, 556946), (691, 450554), (806, 386269), (1118, 278473), (1333, 233558), (1382, 225277), (2666, 116779), (5239, 59426), (7267, 42842), (8983, 34658), (10478, 29713), (14534, 21421), (17329, 17966)]