261428992

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 621637632

約数和(自身を除く): 360208640

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 43, 44, 64, 68, 86, 88, 127, 128, 136, 172, 176, 187, 254, 256, 272, 344, 352, 374, 473, 508, 544, 688, 704, 731, 748, 946, 1016, 1088, 1376, 1397, 1408, 1462, 1496, 1892, 2032, 2159, 2176, 2752, 2794, 2816, 2924, 2992, 3784, 4064, 4318, 4352, 5461, 5504, 5588, 5848, 5984, 7568, 8041, 8128, 8636, 10922, 11008, 11176, 11696, 11968, 15136, 16082, 16256, 17272, 21844, 22352, 23392, 23749, 23936, 30272, 32164, 32512, 34544, 43688, 44704, 46784, 47498, 47872, 60071, 60544, 64328, 69088, 87376, 89408, 92837, 93568, 94996, 120142, 121088, 128656, 138176, 174752, 178816, 185674, 187136, 189992, 240284, 257312, 276352, 349504, 357632, 371348, 379984, 480568, 514624, 552704, 699008, 742696, 759968, 961136, 1021207, 1029248, 1398016, 1485392, 1519936, 1922272, 2042414, 2058496, 2970784, 3039872, 3844544, 4084828, 5941568, 6079744, 7689088, 8169656, 11883136, 15378176, 16339312, 23766272, 32678624, 65357248, 130714496, 261428992]

約数ペア:

[(1, 261428992), (2, 130714496), (4, 65357248), (8, 32678624), (11, 23766272), (16, 16339312), (17, 15378176), (22, 11883136), (32, 8169656), (34, 7689088), (43, 6079744), (44, 5941568), (64, 4084828), (68, 3844544), (86, 3039872), (88, 2970784), (127, 2058496), (128, 2042414), (136, 1922272), (172, 1519936), (176, 1485392), (187, 1398016), (254, 1029248), (256, 1021207), (272, 961136), (344, 759968), (352, 742696), (374, 699008), (473, 552704), (508, 514624), (544, 480568), (688, 379984), (704, 371348), (731, 357632), (748, 349504), (946, 276352), (1016, 257312), (1088, 240284), (1376, 189992), (1397, 187136), (1408, 185674), (1462, 178816), (1496, 174752), (1892, 138176), (2032, 128656), (2159, 121088), (2176, 120142), (2752, 94996), (2794, 93568), (2816, 92837), (2924, 89408), (2992, 87376), (3784, 69088), (4064, 64328), (4318, 60544), (4352, 60071), (5461, 47872), (5504, 47498), (5588, 46784), (5848, 44704), (5984, 43688), (7568, 34544), (8041, 32512), (8128, 32164), (8636, 30272), (10922, 23936), (11008, 23749), (11176, 23392), (11696, 22352), (11968, 21844), (15136, 17272), (16082, 16256)]