278891137

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{11777}}^1$

素因数の和:12000

約数の個数: 16

約数和(自身を含む): 339206400

約数和(自身を除く): 60315263

約数列:

[1, 7, 17, 119, 199, 1393, 3383, 11777, 23681, 82439, 200209, 1401463, 2343623, 16405361, 39841591, 278891137]

約数ペア:

[(1, 278891137), (7, 39841591), (17, 16405361), (119, 2343623), (199, 1401463), (1393, 200209), (3383, 82439), (11777, 23681)]