397448947

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{352661}}^1$

素因数の和:352698

約数の個数: 12

約数和(自身を含む): 482441616

約数和(自身を除く): 84992669

約数列:

[1, 7, 23, 49, 161, 1127, 352661, 2468627, 8111203, 17280389, 56778421, 397448947]

約数ペア:

[(1, 397448947), (7, 56778421), (23, 17280389), (49, 8111203), (161, 2468627), (1127, 352661)]