201976478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{399163}}^1$

素因数の和:399199

約数の個数: 16

約数和(自身を含む): 344877696

約数和(自身を除く): 142901218

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 399163, 798326, 4390793, 8781586, 9180749, 18361498, 100988239, 201976478]

約数ペア:

[(1, 201976478), (2, 100988239), (11, 18361498), (22, 9180749), (23, 8781586), (46, 4390793), (253, 798326), (506, 399163)]