281253049

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 116878151

約数列:

[1, 7, 11, 17, 29, 31, 77, 119, 187, 203, 217, 239, 319, 341, 493, 527, 899, 1309, 1673, 2233, 2387, 2629, 3451, 3689, 4063, 5423, 5797, 6293, 6931, 7409, 9889, 15283, 18403, 28441, 37961, 40579, 44693, 48517, 51863, 69223, 76241, 81499, 106981, 117827, 125953, 168113, 214861, 312851, 533687, 570493, 824789, 881671, 1176791, 1296097, 1385483, 1504027, 2363471, 3652637, 9072679, 9698381, 16544297, 25568459, 40179007, 281253049]

約数ペア:

[(1, 281253049), (7, 40179007), (11, 25568459), (17, 16544297), (29, 9698381), (31, 9072679), (77, 3652637), (119, 2363471), (187, 1504027), (203, 1385483), (217, 1296097), (239, 1176791), (319, 881671), (341, 824789), (493, 570493), (527, 533687), (899, 312851), (1309, 214861), (1673, 168113), (2233, 125953), (2387, 117827), (2629, 106981), (3451, 81499), (3689, 76241), (4063, 69223), (5423, 51863), (5797, 48517), (6293, 44693), (6931, 40579), (7409, 37961), (9889, 28441), (15283, 18403)]