247491518

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{4621}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 378264480

約数和(自身を除く): 130772962

約数列:

[1, 2, 61, 122, 439, 878, 4621, 9242, 26779, 53558, 281881, 563762, 2028619, 4057238, 123745759, 247491518]

約数ペア:

[(1, 247491518), (2, 123745759), (61, 4057238), (122, 2028619), (439, 563762), (878, 281881), (4621, 53558), (9242, 26779)]