71172396

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 72

約数和(自身を含む): 192192000

約数和(自身を除く): 121019604

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, 1999, 2967, 3956, 3998, 5934, 5997, 7996, 8901, 11868, 11994, 17802, 17991, 23988, 35604, 35982, 45977, 71964, 85957, 91954, 137931, 171914, 183908, 257871, 275862, 343828, 413793, 515742, 551724, 773613, 827586, 1031484, 1547226, 1655172, 1977011, 3094452, 3954022, 5931033, 7908044, 11862066, 17793099, 23724132, 35586198, 71172396]

約数ペア:

[(1, 71172396), (2, 35586198), (3, 23724132), (4, 17793099), (6, 11862066), (9, 7908044), (12, 5931033), (18, 3954022), (23, 3094452), (36, 1977011), (43, 1655172), (46, 1547226), (69, 1031484), (86, 827586), (92, 773613), (129, 551724), (138, 515742), (172, 413793), (207, 343828), (258, 275862), (276, 257871), (387, 183908), (414, 171914), (516, 137931), (774, 91954), (828, 85957), (989, 71964), (1548, 45977), (1978, 35982), (1999, 35604), (2967, 23988), (3956, 17991), (3998, 17802), (5934, 11994), (5997, 11868), (7996, 8901)]