208078308

素因数分解:

$2^2\times 3^4\times {\mathrm{642217}}^1$

素因数の和:642233

約数の個数: 30

約数和(自身を含む): 543958646

約数和(自身を除く): 335880338

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 642217, 1284434, 1926651, 2568868, 3853302, 5779953, 7706604, 11559906, 17339859, 23119812, 34679718, 52019577, 69359436, 104039154, 208078308]

約数ペア:

[(1, 208078308), (2, 104039154), (3, 69359436), (4, 52019577), (6, 34679718), (9, 23119812), (12, 17339859), (18, 11559906), (27, 7706604), (36, 5779953), (54, 3853302), (81, 2568868), (108, 1926651), (162, 1284434), (324, 642217)]