2157953

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 16

約数和(自身を含む): 2585856

約数和(自身を除く): 427903

約数列:

[1, 7, 41, 73, 103, 287, 511, 721, 2993, 4223, 7519, 20951, 29561, 52633, 308279, 2157953]

約数ペア:

[(1, 2157953), (7, 308279), (41, 52633), (73, 29561), (103, 20951), (287, 7519), (511, 4223), (721, 2993)]