78841412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 157584000

約数和(自身を除く): 78742588

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 199, 247, 398, 401, 494, 796, 802, 988, 1604, 2587, 3781, 5174, 5213, 7562, 7619, 10348, 10426, 15124, 15238, 20852, 30476, 49153, 79799, 98306, 99047, 159598, 196612, 198094, 319196, 396188, 1037387, 1516181, 2074774, 3032362, 4149548, 6064724, 19710353, 39420706, 78841412]

約数ペア:

[(1, 78841412), (2, 39420706), (4, 19710353), (13, 6064724), (19, 4149548), (26, 3032362), (38, 2074774), (52, 1516181), (76, 1037387), (199, 396188), (247, 319196), (398, 198094), (401, 196612), (494, 159598), (796, 99047), (802, 98306), (988, 79799), (1604, 49153), (2587, 30476), (3781, 20852), (5174, 15238), (5213, 15124), (7562, 10426), (7619, 10348)]