28222712

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 63529920

約数和(自身を除く): 35307208

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 53, 56, 74, 106, 148, 212, 257, 259, 296, 371, 424, 514, 518, 742, 1028, 1036, 1484, 1799, 1961, 2056, 2072, 2968, 3598, 3922, 7196, 7844, 9509, 13621, 13727, 14392, 15688, 19018, 27242, 27454, 38036, 54484, 54908, 66563, 76072, 95347, 108968, 109816, 133126, 190694, 266252, 381388, 503977, 532504, 762776, 1007954, 2015908, 3527839, 4031816, 7055678, 14111356, 28222712]

約数ペア:

[(1, 28222712), (2, 14111356), (4, 7055678), (7, 4031816), (8, 3527839), (14, 2015908), (28, 1007954), (37, 762776), (53, 532504), (56, 503977), (74, 381388), (106, 266252), (148, 190694), (212, 133126), (257, 109816), (259, 108968), (296, 95347), (371, 76072), (424, 66563), (514, 54908), (518, 54484), (742, 38036), (1028, 27454), (1036, 27242), (1484, 19018), (1799, 15688), (1961, 14392), (2056, 13727), (2072, 13621), (2968, 9509), (3598, 7844), (3922, 7196)]