990147356

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2045759}}^1$

素因数の和:2045785

約数の個数: 18

約数和(自身を含む): 1904602560

約数和(自身を除く): 914455204

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2045759, 4091518, 8183036, 22503349, 45006698, 90013396, 247536839, 495073678, 990147356]

約数ペア:

[(1, 990147356), (2, 495073678), (4, 247536839), (11, 90013396), (22, 45006698), (44, 22503349), (121, 8183036), (242, 4091518), (484, 2045759)]