205465908

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 486080000

約数和(自身を除く): 280614092

約数列:

[1, 2, 3, 4, 6, 12, 139, 199, 278, 398, 417, 556, 597, 619, 796, 834, 1194, 1238, 1668, 1857, 2388, 2476, 3714, 7428, 27661, 55322, 82983, 86041, 110644, 123181, 165966, 172082, 246362, 258123, 331932, 344164, 369543, 492724, 516246, 739086, 1032492, 1478172, 17122159, 34244318, 51366477, 68488636, 102732954, 205465908]

約数ペア:

[(1, 205465908), (2, 102732954), (3, 68488636), (4, 51366477), (6, 34244318), (12, 17122159), (139, 1478172), (199, 1032492), (278, 739086), (398, 516246), (417, 492724), (556, 369543), (597, 344164), (619, 331932), (796, 258123), (834, 246362), (1194, 172082), (1238, 165966), (1668, 123181), (1857, 110644), (2388, 86041), (2476, 82983), (3714, 55322), (7428, 27661)]