2189388

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4243}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 5228608

約数和(自身を除く): 3039220

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 4243, 8486, 12729, 16972, 25458, 50916, 182449, 364898, 547347, 729796, 1094694, 2189388]

約数ペア:

[(1, 2189388), (2, 1094694), (3, 729796), (4, 547347), (6, 364898), (12, 182449), (43, 50916), (86, 25458), (129, 16972), (172, 12729), (258, 8486), (516, 4243)]