128273408

素因数分解:

$2^{10}\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 66

約数和(自身を含む): 271407636

約数和(自身を除く): 143134228

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 347, 361, 512, 608, 694, 722, 1024, 1216, 1388, 1444, 2432, 2776, 2888, 4864, 5552, 5776, 6593, 9728, 11104, 11552, 13186, 19456, 22208, 23104, 26372, 44416, 46208, 52744, 88832, 92416, 105488, 125267, 177664, 184832, 210976, 250534, 355328, 369664, 421952, 501068, 843904, 1002136, 1687808, 2004272, 3375616, 4008544, 6751232, 8017088, 16034176, 32068352, 64136704, 128273408]

約数ペア:

[(1, 128273408), (2, 64136704), (4, 32068352), (8, 16034176), (16, 8017088), (19, 6751232), (32, 4008544), (38, 3375616), (64, 2004272), (76, 1687808), (128, 1002136), (152, 843904), (256, 501068), (304, 421952), (347, 369664), (361, 355328), (512, 250534), (608, 210976), (694, 184832), (722, 177664), (1024, 125267), (1216, 105488), (1388, 92416), (1444, 88832), (2432, 52744), (2776, 46208), (2888, 44416), (4864, 26372), (5552, 23104), (5776, 22208), (6593, 19456), (9728, 13186), (11104, 11552)]