809065990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1721417}}^1$

素因数の和:1721471

約数の個数: 16

約数和(自身を含む): 1487305152

約数和(自身を除く): 678239162

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1721417, 3442834, 8607085, 17214170, 80906599, 161813198, 404532995, 809065990]

約数ペア:

[(1, 809065990), (2, 404532995), (5, 161813198), (10, 80906599), (47, 17214170), (94, 8607085), (235, 3442834), (470, 1721417)]