209215985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1019}}^1\times {\mathrm{3733}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 274224960

約数和(自身を除く): 65008975

約数列:

[1, 5, 11, 55, 1019, 3733, 5095, 11209, 18665, 41063, 56045, 205315, 3803927, 19019635, 41843197, 209215985]

約数ペア:

[(1, 209215985), (5, 41843197), (11, 19019635), (55, 3803927), (1019, 205315), (3733, 56045), (5095, 41063), (11209, 18665)]