204912688

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 402752000

約数和(自身を除く): 197839312

約数列:

[1, 2, 4, 8, 16, 139, 199, 278, 398, 463, 556, 796, 926, 1112, 1592, 1852, 2224, 3184, 3704, 7408, 27661, 55322, 64357, 92137, 110644, 128714, 184274, 221288, 257428, 368548, 442576, 514856, 737096, 1029712, 1474192, 12807043, 25614086, 51228172, 102456344, 204912688]

約数ペア:

[(1, 204912688), (2, 102456344), (4, 51228172), (8, 25614086), (16, 12807043), (139, 1474192), (199, 1029712), (278, 737096), (398, 514856), (463, 442576), (556, 368548), (796, 257428), (926, 221288), (1112, 184274), (1592, 128714), (1852, 110644), (2224, 92137), (3184, 64357), (3704, 55322), (7408, 27661)]