638777736

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{56509}}^1$

素因数の和:56678

約数の個数: 48

約数和(自身を含む): 1741073100

約数和(自身を除く): 1102295364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 56509, 113018, 169527, 226036, 339054, 452072, 508581, 678108, 1017162, 1356216, 2034324, 4068648, 8871913, 17743826, 26615739, 35487652, 53231478, 70975304, 79847217, 106462956, 159694434, 212925912, 319388868, 638777736]

約数ペア:

[(1, 638777736), (2, 319388868), (3, 212925912), (4, 159694434), (6, 106462956), (8, 79847217), (9, 70975304), (12, 53231478), (18, 35487652), (24, 26615739), (36, 17743826), (72, 8871913), (157, 4068648), (314, 2034324), (471, 1356216), (628, 1017162), (942, 678108), (1256, 508581), (1413, 452072), (1884, 339054), (2826, 226036), (3768, 169527), (5652, 113018), (11304, 56509)]