2803936828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{128221}}^1$

素因数の和:128314

約数の個数: 48

約数和(自身を含む): 6203893248

約数和(自身を除く): 3399956420

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 128221, 256442, 512884, 897547, 1410431, 1795094, 2820862, 3590188, 5641724, 9103691, 9873017, 18207382, 19746034, 36414764, 39492068, 63725837, 100140601, 127451674, 200281202, 254903348, 400562404, 700984207, 1401968414, 2803936828]

約数ペア:

[(1, 2803936828), (2, 1401968414), (4, 700984207), (7, 400562404), (11, 254903348), (14, 200281202), (22, 127451674), (28, 100140601), (44, 63725837), (71, 39492068), (77, 36414764), (142, 19746034), (154, 18207382), (284, 9873017), (308, 9103691), (497, 5641724), (781, 3590188), (994, 2820862), (1562, 1795094), (1988, 1410431), (3124, 897547), (5467, 512884), (10934, 256442), (21868, 128221)]