289652272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{198937}}^1$

素因数の和:198965

約数の個数: 40

約数和(自身を含む): 690712736

約数和(自身を除く): 401060464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 198937, 397874, 795748, 1392559, 1591496, 2586181, 2785118, 3182992, 5172362, 5570236, 10344724, 11140472, 18103267, 20689448, 22280944, 36206534, 41378896, 72413068, 144826136, 289652272]

約数ペア:

[(1, 289652272), (2, 144826136), (4, 72413068), (7, 41378896), (8, 36206534), (13, 22280944), (14, 20689448), (16, 18103267), (26, 11140472), (28, 10344724), (52, 5570236), (56, 5172362), (91, 3182992), (104, 2785118), (112, 2586181), (182, 1591496), (208, 1392559), (364, 795748), (728, 397874), (1456, 198937)]