644085988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2237}}^1$

素因数の和:2381

約数の個数: 72

約数和(自身を含む): 1425167352

約数和(自身を除く): 781081364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 113, 182, 196, 226, 364, 452, 637, 791, 1274, 1469, 1582, 2237, 2548, 2938, 3164, 4474, 5537, 5876, 8948, 10283, 11074, 15659, 20566, 22148, 29081, 31318, 41132, 58162, 62636, 71981, 109613, 116324, 143962, 203567, 219226, 252781, 287924, 407134, 438452, 505562, 814268, 1011124, 1424969, 1769467, 2849938, 3286153, 3538934, 5699876, 6572306, 7077868, 12386269, 13144612, 23003071, 24772538, 46006142, 49545076, 92012284, 161021497, 322042994, 644085988]

約数ペア:

[(1, 644085988), (2, 322042994), (4, 161021497), (7, 92012284), (13, 49545076), (14, 46006142), (26, 24772538), (28, 23003071), (49, 13144612), (52, 12386269), (91, 7077868), (98, 6572306), (113, 5699876), (182, 3538934), (196, 3286153), (226, 2849938), (364, 1769467), (452, 1424969), (637, 1011124), (791, 814268), (1274, 505562), (1469, 438452), (1582, 407134), (2237, 287924), (2548, 252781), (2938, 219226), (3164, 203567), (4474, 143962), (5537, 116324), (5876, 109613), (8948, 71981), (10283, 62636), (11074, 58162), (15659, 41132), (20566, 31318), (22148, 29081)]