54378541

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 63232000

約数和(自身を除く): 8853459

約数列:

[1, 7, 103, 199, 379, 721, 1393, 2653, 20497, 39037, 75421, 143479, 273259, 527947, 7768363, 54378541]

約数ペア:

[(1, 54378541), (7, 7768363), (103, 527947), (199, 273259), (379, 143479), (721, 75421), (1393, 39037), (2653, 20497)]