511766864

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 1159925760

約数和(自身を除く): 648158896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 139, 142, 278, 284, 463, 497, 556, 568, 926, 973, 994, 1112, 1136, 1852, 1946, 1988, 2224, 3241, 3704, 3892, 3976, 6482, 7408, 7784, 7952, 9869, 12964, 15568, 19738, 25928, 32873, 39476, 51856, 64357, 65746, 69083, 78952, 128714, 131492, 138166, 157904, 230111, 257428, 262984, 276332, 450499, 460222, 514856, 525968, 552664, 900998, 920444, 1029712, 1105328, 1801996, 1840888, 3603992, 3681776, 4569347, 7207984, 9138694, 18277388, 31985429, 36554776, 63970858, 73109552, 127941716, 255883432, 511766864]

約数ペア:

[(1, 511766864), (2, 255883432), (4, 127941716), (7, 73109552), (8, 63970858), (14, 36554776), (16, 31985429), (28, 18277388), (56, 9138694), (71, 7207984), (112, 4569347), (139, 3681776), (142, 3603992), (278, 1840888), (284, 1801996), (463, 1105328), (497, 1029712), (556, 920444), (568, 900998), (926, 552664), (973, 525968), (994, 514856), (1112, 460222), (1136, 450499), (1852, 276332), (1946, 262984), (1988, 257428), (2224, 230111), (3241, 157904), (3704, 138166), (3892, 131492), (3976, 128714), (6482, 78952), (7408, 69083), (7784, 65746), (7952, 64357), (9869, 51856), (12964, 39476), (15568, 32873), (19738, 25928)]