28096782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 68359680

約数和(自身を除く): 40262898

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 137, 257, 266, 274, 399, 411, 514, 771, 798, 822, 959, 1542, 1799, 1918, 2603, 2877, 3598, 4883, 5206, 5397, 5754, 7809, 9766, 10794, 14649, 15618, 18221, 29298, 34181, 35209, 36442, 54663, 68362, 70418, 102543, 105627, 109326, 205086, 211254, 246463, 492926, 668971, 739389, 1337942, 1478778, 2006913, 4013826, 4682797, 9365594, 14048391, 28096782]

約数ペア:

[(1, 28096782), (2, 14048391), (3, 9365594), (6, 4682797), (7, 4013826), (14, 2006913), (19, 1478778), (21, 1337942), (38, 739389), (42, 668971), (57, 492926), (114, 246463), (133, 211254), (137, 205086), (257, 109326), (266, 105627), (274, 102543), (399, 70418), (411, 68362), (514, 54663), (771, 36442), (798, 35209), (822, 34181), (959, 29298), (1542, 18221), (1799, 15618), (1918, 14649), (2603, 10794), (2877, 9766), (3598, 7809), (4883, 5754), (5206, 5397)]