1608551

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 1956864

約数和(自身を除く): 348313

約数列:

[1, 7, 23, 97, 103, 161, 679, 721, 2231, 2369, 9991, 15617, 16583, 69937, 229793, 1608551]

約数ペア:

[(1, 1608551), (7, 229793), (23, 69937), (97, 16583), (103, 15617), (161, 9991), (679, 2369), (721, 2231)]