51999896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 109247040

約数和(自身を除く): 57247144

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 127, 248, 254, 403, 508, 806, 1016, 1612, 1651, 3224, 3302, 3937, 6604, 7874, 13208, 15748, 16129, 31496, 32258, 51181, 64516, 102362, 129032, 204724, 209677, 409448, 419354, 499999, 838708, 999998, 1677416, 1999996, 3999992, 6499987, 12999974, 25999948, 51999896]

約数ペア:

[(1, 51999896), (2, 25999948), (4, 12999974), (8, 6499987), (13, 3999992), (26, 1999996), (31, 1677416), (52, 999998), (62, 838708), (104, 499999), (124, 419354), (127, 409448), (248, 209677), (254, 204724), (403, 129032), (508, 102362), (806, 64516), (1016, 51181), (1612, 32258), (1651, 31496), (3224, 16129), (3302, 15748), (3937, 13208), (6604, 7874)]