397361972008

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{127687009}}^1$

素因数の和:127687404

約数の個数: 16

約数和(自身を含む): 746969008500

約数和(自身を除く): 349607036492

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 127687009, 255374018, 510748036, 1021496072, 49670246501, 99340493002, 198680986004, 397361972008]

約数ペア:

[(1, 397361972008), (2, 198680986004), (4, 99340493002), (8, 49670246501), (389, 1021496072), (778, 510748036), (1556, 255374018), (3112, 127687009)]