198390577

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{4007}}^1$

素因数の和:4668

約数の個数: 16

約数和(自身を含む): 247790592

約数和(自身を除く): 49400015

約数列:

[1, 7, 11, 77, 643, 4007, 4501, 7073, 28049, 44077, 49511, 308539, 2576501, 18035507, 28341511, 198390577]

約数ペア:

[(1, 198390577), (7, 28341511), (11, 18035507), (77, 2576501), (643, 308539), (4007, 49511), (4501, 44077), (7073, 28049)]