27996840004

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{387403}}^1$

素因数の和:387532

約数の個数: 48

約数和(自身を含む): 58575484800

約数和(自身を除く): 30578644796

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 406, 623, 812, 1246, 2492, 2581, 5162, 10324, 18067, 36134, 72268, 387403, 774806, 1549612, 2711821, 5423642, 10847284, 11234687, 22469374, 34478867, 44938748, 68957734, 78642809, 137915468, 157285618, 241352069, 314571236, 482704138, 965408276, 999887143, 1999774286, 3999548572, 6999210001, 13998420002, 27996840004]

約数ペア:

[(1, 27996840004), (2, 13998420002), (4, 6999210001), (7, 3999548572), (14, 1999774286), (28, 999887143), (29, 965408276), (58, 482704138), (89, 314571236), (116, 241352069), (178, 157285618), (203, 137915468), (356, 78642809), (406, 68957734), (623, 44938748), (812, 34478867), (1246, 22469374), (2492, 11234687), (2581, 10847284), (5162, 5423642), (10324, 2711821), (18067, 1549612), (36134, 774806), (72268, 387403)]