81125968

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 208647360

約数和(自身を除く): 127521392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 112, 154, 161, 176, 184, 196, 253, 308, 322, 368, 392, 409, 506, 539, 616, 644, 784, 818, 1012, 1078, 1127, 1232, 1288, 1636, 1771, 2024, 2156, 2254, 2576, 2863, 3272, 3542, 4048, 4312, 4499, 4508, 5726, 6544, 7084, 8624, 8998, 9016, 9407, 11452, 12397, 14168, 17996, 18032, 18814, 20041, 22904, 24794, 28336, 31493, 35992, 37628, 40082, 45808, 49588, 62986, 65849, 71984, 75256, 80164, 99176, 103477, 125972, 131698, 150512, 160328, 198352, 206954, 220451, 251944, 263396, 320656, 413908, 440902, 460943, 503888, 526792, 724339, 827816, 881804, 921886, 1053584, 1448678, 1655632, 1763608, 1843772, 2897356, 3527216, 3687544, 5070373, 5794712, 7375088, 10140746, 11589424, 20281492, 40562984, 81125968]

約数ペア:

[(1, 81125968), (2, 40562984), (4, 20281492), (7, 11589424), (8, 10140746), (11, 7375088), (14, 5794712), (16, 5070373), (22, 3687544), (23, 3527216), (28, 2897356), (44, 1843772), (46, 1763608), (49, 1655632), (56, 1448678), (77, 1053584), (88, 921886), (92, 881804), (98, 827816), (112, 724339), (154, 526792), (161, 503888), (176, 460943), (184, 440902), (196, 413908), (253, 320656), (308, 263396), (322, 251944), (368, 220451), (392, 206954), (409, 198352), (506, 160328), (539, 150512), (616, 131698), (644, 125972), (784, 103477), (818, 99176), (1012, 80164), (1078, 75256), (1127, 71984), (1232, 65849), (1288, 62986), (1636, 49588), (1771, 45808), (2024, 40082), (2156, 37628), (2254, 35992), (2576, 31493), (2863, 28336), (3272, 24794), (3542, 22904), (4048, 20041), (4312, 18814), (4499, 18032), (4508, 17996), (5726, 14168), (6544, 12397), (7084, 11452), (8624, 9407), (8998, 9016)]