123490519

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 138257280

約数和(自身を除く): 14766761

約数列:

[1, 19, 23, 107, 139, 361, 437, 2033, 2461, 2641, 3197, 8303, 14873, 38627, 46759, 50179, 60743, 282587, 342079, 888421, 1154117, 5369153, 6499501, 123490519]

約数ペア:

[(1, 123490519), (19, 6499501), (23, 5369153), (107, 1154117), (139, 888421), (361, 342079), (437, 282587), (2033, 60743), (2461, 50179), (2641, 46759), (3197, 38627), (8303, 14873)]