388994738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{41999}}^1$

素因数の和:42433

約数の個数: 16

約数和(自身を含む): 638064000

約数和(自身を除く): 249069262

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 41999, 83998, 461989, 923978, 17681579, 35363158, 194497369, 388994738]

約数ペア:

[(1, 388994738), (2, 194497369), (11, 35363158), (22, 17681579), (421, 923978), (842, 461989), (4631, 83998), (9262, 41999)]