71101188

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2073

約数の個数: 72

約数和(自身を含む): 191999808

約数和(自身を除く): 120898620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 828, 989, 1548, 1978, 1997, 2967, 3956, 3994, 5934, 5991, 7988, 8901, 11868, 11982, 17802, 17973, 23964, 35604, 35946, 45931, 71892, 85871, 91862, 137793, 171742, 183724, 257613, 275586, 343484, 413379, 515226, 551172, 772839, 826758, 1030452, 1545678, 1653516, 1975033, 3091356, 3950066, 5925099, 7900132, 11850198, 17775297, 23700396, 35550594, 71101188]

約数ペア:

[(1, 71101188), (2, 35550594), (3, 23700396), (4, 17775297), (6, 11850198), (9, 7900132), (12, 5925099), (18, 3950066), (23, 3091356), (36, 1975033), (43, 1653516), (46, 1545678), (69, 1030452), (86, 826758), (92, 772839), (129, 551172), (138, 515226), (172, 413379), (207, 343484), (258, 275586), (276, 257613), (387, 183724), (414, 171742), (516, 137793), (774, 91862), (828, 85871), (989, 71892), (1548, 45931), (1978, 35946), (1997, 35604), (2967, 23964), (3956, 17973), (3994, 17802), (5934, 11982), (5991, 11868), (7988, 8901)]