1287258112

素因数分解:

$2^{17}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 3120550272

約数和(自身を除く): 1833292160

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 61, 64, 92, 112, 122, 128, 161, 184, 224, 244, 256, 322, 368, 427, 448, 488, 512, 644, 736, 854, 896, 976, 1024, 1288, 1403, 1472, 1708, 1792, 1952, 2048, 2576, 2806, 2944, 3416, 3584, 3904, 4096, 5152, 5612, 5888, 6832, 7168, 7808, 8192, 9821, 10304, 11224, 11776, 13664, 14336, 15616, 16384, 19642, 20608, 22448, 23552, 27328, 28672, 31232, 32768, 39284, 41216, 44896, 47104, 54656, 57344, 62464, 65536, 78568, 82432, 89792, 94208, 109312, 114688, 124928, 131072, 157136, 164864, 179584, 188416, 218624, 229376, 249856, 314272, 329728, 359168, 376832, 437248, 458752, 499712, 628544, 659456, 718336, 753664, 874496, 917504, 999424, 1257088, 1318912, 1436672, 1507328, 1748992, 1998848, 2514176, 2637824, 2873344, 3014656, 3497984, 3997696, 5028352, 5275648, 5746688, 6995968, 7995392, 10056704, 10551296, 11493376, 13991936, 20113408, 21102592, 22986752, 27983872, 40226816, 45973504, 55967744, 80453632, 91947008, 160907264, 183894016, 321814528, 643629056, 1287258112]

約数ペア:

[(1, 1287258112), (2, 643629056), (4, 321814528), (7, 183894016), (8, 160907264), (14, 91947008), (16, 80453632), (23, 55967744), (28, 45973504), (32, 40226816), (46, 27983872), (56, 22986752), (61, 21102592), (64, 20113408), (92, 13991936), (112, 11493376), (122, 10551296), (128, 10056704), (161, 7995392), (184, 6995968), (224, 5746688), (244, 5275648), (256, 5028352), (322, 3997696), (368, 3497984), (427, 3014656), (448, 2873344), (488, 2637824), (512, 2514176), (644, 1998848), (736, 1748992), (854, 1507328), (896, 1436672), (976, 1318912), (1024, 1257088), (1288, 999424), (1403, 917504), (1472, 874496), (1708, 753664), (1792, 718336), (1952, 659456), (2048, 628544), (2576, 499712), (2806, 458752), (2944, 437248), (3416, 376832), (3584, 359168), (3904, 329728), (4096, 314272), (5152, 249856), (5612, 229376), (5888, 218624), (6832, 188416), (7168, 179584), (7808, 164864), (8192, 157136), (9821, 131072), (10304, 124928), (11224, 114688), (11776, 109312), (13664, 94208), (14336, 89792), (15616, 82432), (16384, 78568), (19642, 65536), (20608, 62464), (22448, 57344), (23552, 54656), (27328, 47104), (28672, 44896), (31232, 41216), (32768, 39284)]