28491456

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 224

約数和(自身を含む): 96560640

約数和(自身を除く): 68069184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 29, 32, 34, 42, 43, 48, 51, 56, 58, 64, 68, 84, 86, 87, 96, 102, 112, 116, 119, 129, 136, 168, 172, 174, 192, 203, 204, 224, 232, 238, 258, 272, 301, 336, 344, 348, 357, 406, 408, 448, 464, 476, 493, 516, 544, 602, 609, 672, 688, 696, 714, 731, 812, 816, 903, 928, 952, 986, 1032, 1088, 1204, 1218, 1247, 1344, 1376, 1392, 1428, 1462, 1479, 1624, 1632, 1806, 1856, 1904, 1972, 2064, 2193, 2408, 2436, 2494, 2752, 2784, 2856, 2924, 2958, 3248, 3264, 3451, 3612, 3741, 3808, 3944, 4128, 4386, 4816, 4872, 4988, 5117, 5568, 5712, 5848, 5916, 6496, 6902, 7224, 7482, 7616, 7888, 8256, 8729, 8772, 9632, 9744, 9976, 10234, 10353, 11424, 11696, 11832, 12992, 13804, 14448, 14964, 15351, 15776, 17458, 17544, 19264, 19488, 19952, 20468, 20706, 21199, 22848, 23392, 23664, 26187, 27608, 28896, 29928, 30702, 31552, 34916, 35088, 38976, 39904, 40936, 41412, 42398, 46784, 47328, 52374, 55216, 57792, 59856, 61404, 63597, 69832, 70176, 79808, 81872, 82824, 84796, 94656, 104748, 110432, 119712, 122808, 127194, 139664, 140352, 148393, 163744, 165648, 169592, 209496, 220864, 239424, 245616, 254388, 279328, 296786, 327488, 331296, 339184, 418992, 445179, 491232, 508776, 558656, 593572, 662592, 678368, 837984, 890358, 982464, 1017552, 1187144, 1356736, 1675968, 1780716, 2035104, 2374288, 3561432, 4070208, 4748576, 7122864, 9497152, 14245728, 28491456]

約数ペア:

[(1, 28491456), (2, 14245728), (3, 9497152), (4, 7122864), (6, 4748576), (7, 4070208), (8, 3561432), (12, 2374288), (14, 2035104), (16, 1780716), (17, 1675968), (21, 1356736), (24, 1187144), (28, 1017552), (29, 982464), (32, 890358), (34, 837984), (42, 678368), (43, 662592), (48, 593572), (51, 558656), (56, 508776), (58, 491232), (64, 445179), (68, 418992), (84, 339184), (86, 331296), (87, 327488), (96, 296786), (102, 279328), (112, 254388), (116, 245616), (119, 239424), (129, 220864), (136, 209496), (168, 169592), (172, 165648), (174, 163744), (192, 148393), (203, 140352), (204, 139664), (224, 127194), (232, 122808), (238, 119712), (258, 110432), (272, 104748), (301, 94656), (336, 84796), (344, 82824), (348, 81872), (357, 79808), (406, 70176), (408, 69832), (448, 63597), (464, 61404), (476, 59856), (493, 57792), (516, 55216), (544, 52374), (602, 47328), (609, 46784), (672, 42398), (688, 41412), (696, 40936), (714, 39904), (731, 38976), (812, 35088), (816, 34916), (903, 31552), (928, 30702), (952, 29928), (986, 28896), (1032, 27608), (1088, 26187), (1204, 23664), (1218, 23392), (1247, 22848), (1344, 21199), (1376, 20706), (1392, 20468), (1428, 19952), (1462, 19488), (1479, 19264), (1624, 17544), (1632, 17458), (1806, 15776), (1856, 15351), (1904, 14964), (1972, 14448), (2064, 13804), (2193, 12992), (2408, 11832), (2436, 11696), (2494, 11424), (2752, 10353), (2784, 10234), (2856, 9976), (2924, 9744), (2958, 9632), (3248, 8772), (3264, 8729), (3451, 8256), (3612, 7888), (3741, 7616), (3808, 7482), (3944, 7224), (4128, 6902), (4386, 6496), (4816, 5916), (4872, 5848), (4988, 5712), (5117, 5568)]