28880406

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 65569920

約数和(自身を除く): 36689514

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 73, 93, 146, 186, 219, 279, 438, 558, 657, 709, 1314, 1418, 2127, 2263, 4254, 4526, 6381, 6789, 12762, 13578, 20367, 21979, 40734, 43958, 51757, 65937, 103514, 131874, 155271, 197811, 310542, 395622, 465813, 931626, 1604467, 3208934, 4813401, 9626802, 14440203, 28880406]

約数ペア:

[(1, 28880406), (2, 14440203), (3, 9626802), (6, 4813401), (9, 3208934), (18, 1604467), (31, 931626), (62, 465813), (73, 395622), (93, 310542), (146, 197811), (186, 155271), (219, 131874), (279, 103514), (438, 65937), (558, 51757), (657, 43958), (709, 40734), (1314, 21979), (1418, 20367), (2127, 13578), (2263, 12762), (4254, 6789), (4526, 6381)]