81421312

素因数分解:

$2^{10}\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 88

約数和(自身を含む): 191664704

約数和(自身を除く): 110243392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 307, 448, 512, 518, 592, 614, 896, 1024, 1036, 1184, 1228, 1792, 2072, 2149, 2368, 2456, 3584, 4144, 4298, 4736, 4912, 7168, 8288, 8596, 9472, 9824, 11359, 16576, 17192, 18944, 19648, 22718, 33152, 34384, 37888, 39296, 45436, 66304, 68768, 78592, 79513, 90872, 132608, 137536, 157184, 159026, 181744, 265216, 275072, 314368, 318052, 363488, 550144, 636104, 726976, 1100288, 1272208, 1453952, 2200576, 2544416, 2907904, 5088832, 5815808, 10177664, 11631616, 20355328, 40710656, 81421312]

約数ペア:

[(1, 81421312), (2, 40710656), (4, 20355328), (7, 11631616), (8, 10177664), (14, 5815808), (16, 5088832), (28, 2907904), (32, 2544416), (37, 2200576), (56, 1453952), (64, 1272208), (74, 1100288), (112, 726976), (128, 636104), (148, 550144), (224, 363488), (256, 318052), (259, 314368), (296, 275072), (307, 265216), (448, 181744), (512, 159026), (518, 157184), (592, 137536), (614, 132608), (896, 90872), (1024, 79513), (1036, 78592), (1184, 68768), (1228, 66304), (1792, 45436), (2072, 39296), (2149, 37888), (2368, 34384), (2456, 33152), (3584, 22718), (4144, 19648), (4298, 18944), (4736, 17192), (4912, 16576), (7168, 11359), (8288, 9824), (8596, 9472)]