127941716

素因数分解:

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

素因数の和:684

約数の個数: 48

約数和(自身を含む): 261918720

約数和(自身を除く): 133977004

約数列:

[1, 2, 4, 7, 14, 28, 71, 139, 142, 278, 284, 463, 497, 556, 926, 973, 994, 1852, 1946, 1988, 3241, 3892, 6482, 9869, 12964, 19738, 32873, 39476, 64357, 65746, 69083, 128714, 131492, 138166, 230111, 257428, 276332, 450499, 460222, 900998, 920444, 1801996, 4569347, 9138694, 18277388, 31985429, 63970858, 127941716]

約数ペア:

[(1, 127941716), (2, 63970858), (4, 31985429), (7, 18277388), (14, 9138694), (28, 4569347), (71, 1801996), (139, 920444), (142, 900998), (278, 460222), (284, 450499), (463, 276332), (497, 257428), (556, 230111), (926, 138166), (973, 131492), (994, 128714), (1852, 69083), (1946, 65746), (1988, 64357), (3241, 39476), (3892, 32873), (6482, 19738), (9869, 12964)]