208078419

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 302607360

約数和(自身を除く): 94528941

約数列:

[1, 3, 17, 43, 51, 129, 239, 397, 717, 731, 1191, 2193, 4063, 6749, 10277, 12189, 17071, 20247, 30831, 51213, 94883, 174709, 284649, 290207, 524127, 870621, 1613011, 4079969, 4839033, 12239907, 69359473, 208078419]

約数ペア:

[(1, 208078419), (3, 69359473), (17, 12239907), (43, 4839033), (51, 4079969), (129, 1613011), (239, 870621), (397, 524127), (717, 290207), (731, 284649), (1191, 174709), (2193, 94883), (4063, 51213), (6749, 30831), (10277, 20247), (12189, 17071)]