2018792881

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{4111}}^1$

素因数の和:4253

約数の個数: 24

約数和(自身を含む): 2417263872

約数和(自身を除く): 398470991

約数列:

[1, 7, 31, 73, 217, 511, 961, 2263, 4111, 6727, 15841, 28777, 70153, 127441, 300103, 491071, 892087, 2100721, 3950671, 9303193, 27654697, 65122351, 288398983, 2018792881]

約数ペア:

[(1, 2018792881), (7, 288398983), (31, 65122351), (73, 27654697), (217, 9303193), (511, 3950671), (961, 2100721), (2263, 892087), (4111, 491071), (6727, 300103), (15841, 127441), (28777, 70153)]