199980886

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{138683}}^1$

素因数の和:138795

約数の個数: 16

約数和(自身を含む): 346155264

約数和(自身を除く): 146174378

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 138683, 277366, 970781, 1941562, 14284349, 28568698, 99990443, 199980886]

約数ペア:

[(1, 199980886), (2, 99990443), (7, 28568698), (14, 14284349), (103, 1941562), (206, 970781), (721, 277366), (1442, 138683)]