228278519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{19423}}^1$

素因数の和:19526

約数の個数: 16

約数和(自身を含む): 275976192

約数和(自身を除く): 47697673

約数列:

[1, 7, 23, 73, 161, 511, 1679, 11753, 19423, 135961, 446729, 1417879, 3127103, 9925153, 32611217, 228278519]

約数ペア:

[(1, 228278519), (7, 32611217), (23, 9925153), (73, 3127103), (161, 1417879), (511, 446729), (1679, 135961), (11753, 19423)]