128861210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{444349}}^1$

素因数の和:444385

約数の個数: 16

約数和(自身を含む): 239949000

約数和(自身を除く): 111087790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 444349, 888698, 2221745, 4443490, 12886121, 25772242, 64430605, 128861210]

約数ペア:

[(1, 128861210), (2, 64430605), (5, 25772242), (10, 12886121), (29, 4443490), (58, 2221745), (145, 888698), (290, 444349)]