198987118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{65071}}^1$

素因数の和:65223

約数の個数: 16

約数和(自身を含む): 327962880

約数和(自身を除く): 128975762

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 65071, 130142, 715781, 1431562, 9044869, 18089738, 99493559, 198987118]

約数ペア:

[(1, 198987118), (2, 99493559), (11, 18089738), (22, 9044869), (139, 1431562), (278, 715781), (1529, 130142), (3058, 65071)]