397804814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{168991}}^1$

素因数の和:169111

約数の個数: 16

約数和(自身を含む): 657040896

約数和(自身を除く): 259236082

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 168991, 337982, 1858901, 3717802, 18082037, 36164074, 198902407, 397804814]

約数ペア:

[(1, 397804814), (2, 198902407), (11, 36164074), (22, 18082037), (107, 3717802), (214, 1858901), (1177, 337982), (2354, 168991)]