208078505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{5347}}^1$

素因数の和:5576

約数の個数: 16

約数和(自身を含む): 256960704

約数和(自身を除く): 48882199

約数列:

[1, 5, 43, 181, 215, 905, 5347, 7783, 26735, 38915, 229921, 967807, 1149605, 4839035, 41615701, 208078505]

約数ペア:

[(1, 208078505), (5, 41615701), (43, 4839035), (181, 1149605), (215, 967807), (905, 229921), (5347, 38915), (7783, 26735)]