1891017002

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{678757}}^1$

素因数の和:678965

約数の個数: 16

約数和(自身を含む): 3258038400

約数和(自身を除く): 1367021398

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 678757, 1357514, 4751299, 9502598, 135072643, 270145286, 945508501, 1891017002]

約数ペア:

[(1, 1891017002), (2, 945508501), (7, 270145286), (14, 135072643), (199, 9502598), (398, 4751299), (1393, 1357514), (2786, 678757)]