208047055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 269256960

約数和(自身を除く): 61209905

約数列:

[1, 5, 19, 95, 97, 107, 211, 485, 535, 1055, 1843, 2033, 4009, 9215, 10165, 10379, 20045, 20467, 22577, 51895, 102335, 112885, 197201, 388873, 428963, 986005, 1944365, 2144815, 2189969, 10949845, 41609411, 208047055]

約数ペア:

[(1, 208047055), (5, 41609411), (19, 10949845), (95, 2189969), (97, 2144815), (107, 1944365), (211, 986005), (485, 428963), (535, 388873), (1055, 197201), (1843, 112885), (2033, 102335), (4009, 51895), (9215, 22577), (10165, 20467), (10379, 20045)]