1663140143

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{74317}}^1$

素因数の和:74486

約数の個数: 16

約数和(自身を含む): 1997667840

約数和(自身を除く): 334527697

約数列:

[1, 7, 23, 139, 161, 973, 3197, 22379, 74317, 520219, 1709291, 10330063, 11965037, 72310441, 237591449, 1663140143]

約数ペア:

[(1, 1663140143), (7, 237591449), (23, 72310441), (139, 11965037), (161, 10330063), (973, 1709291), (3197, 520219), (22379, 74317)]