2780182391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 3391580160

約数和(自身を除く): 611397769

約数列:

[1, 7, 19, 107, 133, 347, 563, 749, 2033, 2429, 3941, 6593, 10697, 14231, 37129, 46151, 60241, 74879, 195361, 259903, 421687, 705451, 1144579, 1367527, 3711859, 4938157, 8012053, 20903627, 25983013, 146325389, 397168913, 2780182391]

約数ペア:

[(1, 2780182391), (7, 397168913), (19, 146325389), (107, 25983013), (133, 20903627), (347, 8012053), (563, 4938157), (749, 3711859), (2033, 1367527), (2429, 1144579), (3941, 705451), (6593, 421687), (10697, 259903), (14231, 195361), (37129, 74879), (46151, 60241)]