201991118

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{80603}}^1$

素因数の和:80791

約数の個数: 16

約数和(自身を含む): 348209280

約数和(自身を除く): 146218162

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 80603, 161206, 564221, 1128442, 14427937, 28855874, 100995559, 201991118]

約数ペア:

[(1, 201991118), (2, 100995559), (7, 28855874), (14, 14427937), (179, 1128442), (358, 564221), (1253, 161206), (2506, 80603)]