209401928

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{199811}}^1$

素因数の和:199948

約数の個数: 16

約数和(自身を含む): 395627760

約数和(自身を除く): 186225832

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 199811, 399622, 799244, 1598488, 26175241, 52350482, 104700964, 209401928]

約数ペア:

[(1, 209401928), (2, 104700964), (4, 52350482), (8, 26175241), (131, 1598488), (262, 799244), (524, 399622), (1048, 199811)]