28127928

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 75582720

約数和(自身を除く): 47454792

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 852, 971, 1207, 1704, 1942, 2414, 2913, 3621, 3884, 4828, 5826, 7242, 7768, 9656, 11652, 14484, 16507, 23304, 28968, 33014, 49521, 66028, 68941, 99042, 132056, 137882, 198084, 206823, 275764, 396168, 413646, 551528, 827292, 1171997, 1654584, 2343994, 3515991, 4687988, 7031982, 9375976, 14063964, 28127928]

約数ペア:

[(1, 28127928), (2, 14063964), (3, 9375976), (4, 7031982), (6, 4687988), (8, 3515991), (12, 2343994), (17, 1654584), (24, 1171997), (34, 827292), (51, 551528), (68, 413646), (71, 396168), (102, 275764), (136, 206823), (142, 198084), (204, 137882), (213, 132056), (284, 99042), (408, 68941), (426, 66028), (568, 49521), (852, 33014), (971, 28968), (1207, 23304), (1704, 16507), (1942, 14484), (2414, 11652), (2913, 9656), (3621, 7768), (3884, 7242), (4828, 5826)]