28383992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 66232320

約数和(自身を除く): 37848328

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 127, 182, 254, 307, 364, 508, 614, 728, 889, 1016, 1228, 1651, 1778, 2149, 2456, 3302, 3556, 3991, 4298, 6604, 7112, 7982, 8596, 11557, 13208, 15964, 17192, 23114, 27937, 31928, 38989, 46228, 55874, 77978, 92456, 111748, 155956, 223496, 272923, 311912, 506857, 545846, 1013714, 1091692, 2027428, 2183384, 3547999, 4054856, 7095998, 14191996, 28383992]

約数ペア:

[(1, 28383992), (2, 14191996), (4, 7095998), (7, 4054856), (8, 3547999), (13, 2183384), (14, 2027428), (26, 1091692), (28, 1013714), (52, 545846), (56, 506857), (91, 311912), (104, 272923), (127, 223496), (182, 155956), (254, 111748), (307, 92456), (364, 77978), (508, 55874), (614, 46228), (728, 38989), (889, 31928), (1016, 27937), (1228, 23114), (1651, 17192), (1778, 15964), (2149, 13208), (2456, 11557), (3302, 8596), (3556, 7982), (3991, 7112), (4298, 6604)]