264213248

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 108

約数和(自身を含む): 592498368

約数和(自身を除く): 328285120

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 169, 197, 208, 248, 256, 338, 394, 403, 416, 496, 676, 788, 806, 832, 992, 1352, 1576, 1612, 1664, 1984, 2561, 2704, 3152, 3224, 3328, 3968, 5122, 5239, 5408, 6107, 6304, 6448, 7936, 10244, 10478, 10816, 12214, 12608, 12896, 20488, 20956, 21632, 24428, 25216, 25792, 33293, 40976, 41912, 43264, 48856, 50432, 51584, 66586, 79391, 81952, 83824, 97712, 103168, 133172, 158782, 163904, 167648, 195424, 266344, 317564, 327808, 335296, 390848, 532688, 635128, 655616, 670592, 781696, 1032083, 1065376, 1270256, 1341184, 1563392, 2064166, 2130752, 2540512, 4128332, 4261504, 5081024, 8256664, 8523008, 10162048, 16513328, 20324096, 33026656, 66053312, 132106624, 264213248]

約数ペア:

[(1, 264213248), (2, 132106624), (4, 66053312), (8, 33026656), (13, 20324096), (16, 16513328), (26, 10162048), (31, 8523008), (32, 8256664), (52, 5081024), (62, 4261504), (64, 4128332), (104, 2540512), (124, 2130752), (128, 2064166), (169, 1563392), (197, 1341184), (208, 1270256), (248, 1065376), (256, 1032083), (338, 781696), (394, 670592), (403, 655616), (416, 635128), (496, 532688), (676, 390848), (788, 335296), (806, 327808), (832, 317564), (992, 266344), (1352, 195424), (1576, 167648), (1612, 163904), (1664, 158782), (1984, 133172), (2561, 103168), (2704, 97712), (3152, 83824), (3224, 81952), (3328, 79391), (3968, 66586), (5122, 51584), (5239, 50432), (5408, 48856), (6107, 43264), (6304, 41912), (6448, 40976), (7936, 33293), (10244, 25792), (10478, 25216), (10816, 24428), (12214, 21632), (12608, 20956), (12896, 20488)]