16005556

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 36

約数和(自身を含む): 32890368

約数和(自身を除く): 16884812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 643, 889, 1286, 1778, 2572, 3556, 4501, 6223, 9002, 12446, 18004, 24892, 31507, 63014, 81661, 126028, 163322, 326644, 571627, 1143254, 2286508, 4001389, 8002778, 16005556]

約数ペア:

[(1, 16005556), (2, 8002778), (4, 4001389), (7, 2286508), (14, 1143254), (28, 571627), (49, 326644), (98, 163322), (127, 126028), (196, 81661), (254, 63014), (508, 31507), (643, 24892), (889, 18004), (1286, 12446), (1778, 9002), (2572, 6223), (3556, 4501)]