9990418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2239}}^1$

素因数の和:2361

約数の個数: 16

約数和(自身を含む): 15805440

約数和(自身を除く): 5815022

約数列:

[1, 2, 23, 46, 97, 194, 2231, 2239, 4462, 4478, 51497, 102994, 217183, 434366, 4995209, 9990418]

約数ペア:

[(1, 9990418), (2, 4995209), (23, 434366), (46, 217183), (97, 102994), (194, 51497), (2231, 4478), (2239, 4462)]