68539978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1246

約数の個数: 24

約数和(自身を含む): 111996000

約数和(自身を除く): 43456022

約数列:

[1, 2, 13, 26, 169, 199, 338, 398, 1019, 2038, 2587, 5174, 13247, 26494, 33631, 67262, 172211, 202781, 344422, 405562, 2636153, 5272306, 34269989, 68539978]

約数ペア:

[(1, 68539978), (2, 34269989), (13, 5272306), (26, 2636153), (169, 405562), (199, 344422), (338, 202781), (398, 172211), (1019, 67262), (2038, 33631), (2587, 26494), (5174, 13247)]