28315434

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 71737920

約数和(自身を除く): 43422486

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 49, 57, 74, 98, 111, 114, 133, 137, 147, 222, 259, 266, 274, 294, 399, 411, 518, 703, 777, 798, 822, 931, 959, 1406, 1554, 1813, 1862, 1918, 2109, 2603, 2793, 2877, 3626, 4218, 4921, 5069, 5206, 5439, 5586, 5754, 6713, 7809, 9842, 10138, 10878, 13426, 14763, 15207, 15618, 18221, 20139, 29526, 30414, 34447, 35483, 36442, 40278, 54663, 68894, 70966, 96311, 103341, 106449, 109326, 127547, 192622, 206682, 212898, 248381, 255094, 288933, 382641, 496762, 577866, 674177, 745143, 765282, 1348354, 1490286, 2022531, 4045062, 4719239, 9438478, 14157717, 28315434]

約数ペア:

[(1, 28315434), (2, 14157717), (3, 9438478), (6, 4719239), (7, 4045062), (14, 2022531), (19, 1490286), (21, 1348354), (37, 765282), (38, 745143), (42, 674177), (49, 577866), (57, 496762), (74, 382641), (98, 288933), (111, 255094), (114, 248381), (133, 212898), (137, 206682), (147, 192622), (222, 127547), (259, 109326), (266, 106449), (274, 103341), (294, 96311), (399, 70966), (411, 68894), (518, 54663), (703, 40278), (777, 36442), (798, 35483), (822, 34447), (931, 30414), (959, 29526), (1406, 20139), (1554, 18221), (1813, 15618), (1862, 15207), (1918, 14763), (2109, 13426), (2603, 10878), (2793, 10138), (2877, 9842), (3626, 7809), (4218, 6713), (4921, 5754), (5069, 5586), (5206, 5439)]