2017872787

素因数分解:

$7^1\times {\mathrm{421}}^1\times {\mathrm{613}}^1\times {\mathrm{1117}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 2317461952

約数和(自身を除く): 299589165

約数列:

[1, 7, 421, 613, 1117, 2947, 4291, 7819, 258073, 470257, 684721, 1806511, 3291799, 4793047, 288267541, 2017872787]

約数ペア:

[(1, 2017872787), (7, 288267541), (421, 4793047), (613, 3291799), (1117, 1806511), (2947, 684721), (4291, 470257), (7819, 258073)]