201980678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{129641}}^1$

素因数の和:129703

約数の個数: 16

約数和(自身を含む): 326697840

約数和(自身を除く): 124717162

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 129641, 259282, 2463179, 4926358, 5315281, 10630562, 100990339, 201980678]

約数ペア:

[(1, 201980678), (2, 100990339), (19, 10630562), (38, 5315281), (41, 4926358), (82, 2463179), (779, 259282), (1558, 129641)]