81288704

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:675

約数の個数: 80

約数和(自身を含む): 190949088

約数和(自身を除く): 109660384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 592, 613, 896, 1036, 1184, 1226, 1792, 2072, 2368, 2452, 3584, 4144, 4291, 4736, 4904, 8288, 8582, 9472, 9808, 16576, 17164, 18944, 19616, 22681, 33152, 34328, 39232, 45362, 66304, 68656, 78464, 90724, 132608, 137312, 156928, 158767, 181448, 274624, 313856, 317534, 362896, 549248, 635068, 725792, 1098496, 1270136, 1451584, 2196992, 2540272, 2903168, 5080544, 5806336, 10161088, 11612672, 20322176, 40644352, 81288704]

約数ペア:

[(1, 81288704), (2, 40644352), (4, 20322176), (7, 11612672), (8, 10161088), (14, 5806336), (16, 5080544), (28, 2903168), (32, 2540272), (37, 2196992), (56, 1451584), (64, 1270136), (74, 1098496), (112, 725792), (128, 635068), (148, 549248), (224, 362896), (256, 317534), (259, 313856), (296, 274624), (448, 181448), (512, 158767), (518, 156928), (592, 137312), (613, 132608), (896, 90724), (1036, 78464), (1184, 68656), (1226, 66304), (1792, 45362), (2072, 39232), (2368, 34328), (2452, 33152), (3584, 22681), (4144, 19616), (4291, 18944), (4736, 17164), (4904, 16576), (8288, 9808), (8582, 9472)]