128587176

素因数分解:

$2^3\times 3^4\times {\mathrm{198437}}^1$

素因数の和:198455

約数の個数: 40

約数和(自身を含む): 360164970

約数和(自身を除く): 231577794

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 198437, 396874, 595311, 793748, 1190622, 1587496, 1785933, 2381244, 3571866, 4762488, 5357799, 7143732, 10715598, 14287464, 16073397, 21431196, 32146794, 42862392, 64293588, 128587176]

約数ペア:

[(1, 128587176), (2, 64293588), (3, 42862392), (4, 32146794), (6, 21431196), (8, 16073397), (9, 14287464), (12, 10715598), (18, 7143732), (24, 5357799), (27, 4762488), (36, 3571866), (54, 2381244), (72, 1785933), (81, 1587496), (108, 1190622), (162, 793748), (216, 595311), (324, 396874), (648, 198437)]