257454721

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3923}}^1$

素因数の和:4056

約数の個数: 16

約数和(自身を含む): 278760960

約数和(自身を除く): 21306239

約数列:

[1, 29, 31, 73, 899, 2117, 2263, 3923, 65627, 113767, 121613, 286379, 3526777, 8304991, 8877749, 257454721]

約数ペア:

[(1, 257454721), (29, 8877749), (31, 8304991), (73, 3526777), (899, 286379), (2117, 121613), (2263, 113767), (3923, 65627)]