399989849

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{34033}}^1$

素因数の和:34136

約数の個数: 16

約数和(自身を含む): 483555072

約数和(自身を除く): 83565223

約数列:

[1, 7, 23, 73, 161, 511, 1679, 11753, 34033, 238231, 782759, 2484409, 5479313, 17390863, 57141407, 399989849]

約数ペア:

[(1, 399989849), (7, 57141407), (23, 17390863), (73, 5479313), (161, 2484409), (511, 782759), (1679, 238231), (11753, 34033)]