2644016

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:908

約数の個数: 20

約数和(自身を含む): 5150712

約数和(自身を除く): 2506696

約数列:

[1, 2, 4, 8, 16, 257, 514, 643, 1028, 1286, 2056, 2572, 4112, 5144, 10288, 165251, 330502, 661004, 1322008, 2644016]

約数ペア:

[(1, 2644016), (2, 1322008), (4, 661004), (8, 330502), (16, 165251), (257, 10288), (514, 5144), (643, 4112), (1028, 2572), (1286, 2056)]