397296475

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{223829}}^1$

素因数の和:223910

約数の個数: 12

約数和(自身を含む): 499588560

約数和(自身を除く): 102292085

約数列:

[1, 5, 25, 71, 355, 1775, 223829, 1119145, 5595725, 15891859, 79459295, 397296475]

約数ペア:

[(1, 397296475), (5, 79459295), (25, 15891859), (71, 5595725), (355, 1119145), (1775, 223829)]