199782579

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{1553}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 269351712

約数和(自身を除く): 69569133

約数列:

[1, 3, 137, 313, 411, 939, 1553, 4659, 42881, 128643, 212761, 486089, 638283, 1458267, 66594193, 199782579]

約数ペア:

[(1, 199782579), (3, 66594193), (137, 1458267), (313, 638283), (411, 486089), (939, 212761), (1553, 128643), (4659, 42881)]