389976293

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{33181}}^1$

素因数の和:33284

約数の個数: 16

約数和(自身を含む): 471449856

約数和(自身を除く): 81473563

約数列:

[1, 7, 23, 73, 161, 511, 1679, 11753, 33181, 232267, 763163, 2422213, 5342141, 16955491, 55710899, 389976293]

約数ペア:

[(1, 389976293), (7, 55710899), (23, 16955491), (73, 5342141), (161, 2422213), (511, 763163), (1679, 232267), (11753, 33181)]