257117966

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{798503}}^1$

素因数の和:798535

約数の個数: 16

約数和(自身を含む): 459938304

約数和(自身を除く): 202820338

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 798503, 1597006, 5589521, 11179042, 18365569, 36731138, 128558983, 257117966]

約数ペア:

[(1, 257117966), (2, 128558983), (7, 36731138), (14, 18365569), (23, 11179042), (46, 5589521), (161, 1597006), (322, 798503)]