291206656

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 80

約数和(自身を含む): 636927984

約数和(自身を除く): 345721328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 512, 536, 653, 832, 871, 1072, 1306, 1664, 1742, 2144, 2612, 3328, 3484, 4288, 5224, 6656, 6968, 8489, 8576, 10448, 13936, 16978, 17152, 20896, 27872, 33956, 34304, 41792, 43751, 55744, 67912, 83584, 87502, 111488, 135824, 167168, 175004, 222976, 271648, 334336, 350008, 445952, 543296, 568763, 700016, 1086592, 1137526, 1400032, 2173184, 2275052, 2800064, 4346368, 4550104, 5600128, 9100208, 11200256, 18200416, 22400512, 36400832, 72801664, 145603328, 291206656]

約数ペア:

[(1, 291206656), (2, 145603328), (4, 72801664), (8, 36400832), (13, 22400512), (16, 18200416), (26, 11200256), (32, 9100208), (52, 5600128), (64, 4550104), (67, 4346368), (104, 2800064), (128, 2275052), (134, 2173184), (208, 1400032), (256, 1137526), (268, 1086592), (416, 700016), (512, 568763), (536, 543296), (653, 445952), (832, 350008), (871, 334336), (1072, 271648), (1306, 222976), (1664, 175004), (1742, 167168), (2144, 135824), (2612, 111488), (3328, 87502), (3484, 83584), (4288, 67912), (5224, 55744), (6656, 43751), (6968, 41792), (8489, 34304), (8576, 33956), (10448, 27872), (13936, 20896), (16978, 17152)]