6640904

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 12480720

約数和(自身を除く): 5839816

約数列:

[1, 2, 4, 8, 643, 1286, 1291, 2572, 2582, 5144, 5164, 10328, 830113, 1660226, 3320452, 6640904]

約数ペア:

[(1, 6640904), (2, 3320452), (4, 1660226), (8, 830113), (643, 10328), (1286, 5164), (1291, 5144), (2572, 2582)]