28409584

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 68352768

約数和(自身を除く): 39943184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 272, 301, 344, 347, 476, 602, 688, 694, 731, 952, 1204, 1388, 1462, 1904, 2408, 2429, 2776, 2924, 4816, 4858, 5117, 5552, 5848, 5899, 9716, 10234, 11696, 11798, 14921, 19432, 20468, 23596, 29842, 38864, 40936, 41293, 47192, 59684, 81872, 82586, 94384, 104447, 119368, 165172, 208894, 238736, 253657, 330344, 417788, 507314, 660688, 835576, 1014628, 1671152, 1775599, 2029256, 3551198, 4058512, 7102396, 14204792, 28409584]

約数ペア:

[(1, 28409584), (2, 14204792), (4, 7102396), (7, 4058512), (8, 3551198), (14, 2029256), (16, 1775599), (17, 1671152), (28, 1014628), (34, 835576), (43, 660688), (56, 507314), (68, 417788), (86, 330344), (112, 253657), (119, 238736), (136, 208894), (172, 165172), (238, 119368), (272, 104447), (301, 94384), (344, 82586), (347, 81872), (476, 59684), (602, 47192), (688, 41293), (694, 40936), (731, 38864), (952, 29842), (1204, 23596), (1388, 20468), (1462, 19432), (1904, 14921), (2408, 11798), (2429, 11696), (2776, 10234), (2924, 9716), (4816, 5899), (4858, 5848), (5117, 5552)]