128566564

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 265863808

約数和(自身を除く): 137297244

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 193, 259, 386, 518, 643, 772, 1036, 1286, 1351, 2572, 2702, 4501, 5404, 7141, 9002, 14282, 18004, 23791, 28564, 47582, 49987, 95164, 99974, 124099, 166537, 199948, 248198, 333074, 496396, 666148, 868693, 1737386, 3474772, 4591663, 9183326, 18366652, 32141641, 64283282, 128566564]

約数ペア:

[(1, 128566564), (2, 64283282), (4, 32141641), (7, 18366652), (14, 9183326), (28, 4591663), (37, 3474772), (74, 1737386), (148, 868693), (193, 666148), (259, 496396), (386, 333074), (518, 248198), (643, 199948), (772, 166537), (1036, 124099), (1286, 99974), (1351, 95164), (2572, 49987), (2702, 47582), (4501, 28564), (5404, 23791), (7141, 18004), (9002, 14282)]