509496568

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 1116979200

約数和(自身を除く): 607482632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 127, 142, 254, 284, 497, 508, 568, 889, 994, 1009, 1016, 1778, 1988, 2018, 3556, 3976, 4036, 7063, 7112, 8072, 9017, 14126, 18034, 28252, 36068, 56504, 63119, 71639, 72136, 126238, 128143, 143278, 252476, 256286, 286556, 501473, 504952, 512572, 573112, 897001, 1002946, 1025144, 1794002, 2005892, 3588004, 4011784, 7176008, 9098153, 18196306, 36392612, 63687071, 72785224, 127374142, 254748284, 509496568]

約数ペア:

[(1, 509496568), (2, 254748284), (4, 127374142), (7, 72785224), (8, 63687071), (14, 36392612), (28, 18196306), (56, 9098153), (71, 7176008), (127, 4011784), (142, 3588004), (254, 2005892), (284, 1794002), (497, 1025144), (508, 1002946), (568, 897001), (889, 573112), (994, 512572), (1009, 504952), (1016, 501473), (1778, 286556), (1988, 256286), (2018, 252476), (3556, 143278), (3976, 128143), (4036, 126238), (7063, 72136), (7112, 71639), (8072, 63119), (9017, 56504), (14126, 36068), (18034, 28252)]