161219384

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{468661}}^1$

素因数の和:468710

約数の個数: 16

約数和(自身を含む): 309316920

約数和(自身を除く): 148097536

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 468661, 937322, 1874644, 3749288, 20152423, 40304846, 80609692, 161219384]

約数ペア:

[(1, 161219384), (2, 80609692), (4, 40304846), (8, 20152423), (43, 3749288), (86, 1874644), (172, 937322), (344, 468661)]