664890718

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{20627}}^1$

素因数の和:20927

約数の個数: 16

約数和(自身を含む): 1015887744

約数和(自身を除く): 350997026

約数列:

[1, 2, 71, 142, 227, 454, 16117, 20627, 32234, 41254, 1464517, 2929034, 4682329, 9364658, 332445359, 664890718]

約数ペア:

[(1, 664890718), (2, 332445359), (71, 9364658), (142, 4682329), (227, 2929034), (454, 1464517), (16117, 41254), (20627, 32234)]