988301256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 2685830400

約数和(自身を除く): 1697529144

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 109, 136, 142, 204, 213, 218, 284, 313, 327, 408, 426, 436, 568, 626, 654, 852, 872, 939, 1207, 1252, 1308, 1704, 1853, 1878, 2414, 2504, 2616, 3621, 3706, 3756, 4828, 5321, 5559, 7242, 7412, 7512, 7739, 9656, 10642, 11118, 14484, 14824, 15478, 15963, 21284, 22223, 22236, 23217, 28968, 30956, 31926, 34117, 42568, 44446, 44472, 46434, 61912, 63852, 66669, 68234, 88892, 92868, 102351, 127704, 131563, 133338, 136468, 177784, 185736, 204702, 263126, 266676, 272936, 377791, 394689, 409404, 526252, 533352, 579989, 755582, 789378, 818808, 1052504, 1133373, 1159978, 1511164, 1578756, 1739967, 2266746, 2319956, 2422307, 3022328, 3157512, 3479934, 4533492, 4639912, 4844614, 6959868, 7266921, 9066984, 9689228, 13919736, 14533842, 19378456, 29067684, 41179219, 58135368, 82358438, 123537657, 164716876, 247075314, 329433752, 494150628, 988301256]

約数ペア:

[(1, 988301256), (2, 494150628), (3, 329433752), (4, 247075314), (6, 164716876), (8, 123537657), (12, 82358438), (17, 58135368), (24, 41179219), (34, 29067684), (51, 19378456), (68, 14533842), (71, 13919736), (102, 9689228), (109, 9066984), (136, 7266921), (142, 6959868), (204, 4844614), (213, 4639912), (218, 4533492), (284, 3479934), (313, 3157512), (327, 3022328), (408, 2422307), (426, 2319956), (436, 2266746), (568, 1739967), (626, 1578756), (654, 1511164), (852, 1159978), (872, 1133373), (939, 1052504), (1207, 818808), (1252, 789378), (1308, 755582), (1704, 579989), (1853, 533352), (1878, 526252), (2414, 409404), (2504, 394689), (2616, 377791), (3621, 272936), (3706, 266676), (3756, 263126), (4828, 204702), (5321, 185736), (5559, 177784), (7242, 136468), (7412, 133338), (7512, 131563), (7739, 127704), (9656, 102351), (10642, 92868), (11118, 88892), (14484, 68234), (14824, 66669), (15478, 63852), (15963, 61912), (21284, 46434), (22223, 44472), (22236, 44446), (23217, 42568), (28968, 34117), (30956, 31926)]