216369937

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 260310336

約数和(自身を除く): 43940399

約数列:

[1, 7, 43, 49, 103, 301, 721, 997, 2107, 4429, 5047, 6979, 31003, 42871, 48853, 102691, 217021, 300097, 718837, 2100679, 4415713, 5031859, 30909991, 216369937]

約数ペア:

[(1, 216369937), (7, 30909991), (43, 5031859), (49, 4415713), (103, 2100679), (301, 718837), (721, 300097), (997, 217021), (2107, 102691), (4429, 48853), (5047, 42871), (6979, 31003)]