1287923186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1361441}}^1$

素因数の和:1361497

約数の個数: 16

約数和(自身を含む): 2156524128

約数和(自身を除く): 868600942

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 1361441, 2722882, 14975851, 29951702, 58541963, 117083926, 643961593, 1287923186]

約数ペア:

[(1, 1287923186), (2, 643961593), (11, 117083926), (22, 58541963), (43, 29951702), (86, 14975851), (473, 2722882), (946, 1361441)]