6991000

素因数分解:

$2^3\times 5^3\times {\mathrm{6991}}^1$

素因数の和:7012

約数の個数: 32

約数和(自身を含む): 16361280

約数和(自身を除く): 9370280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 6991, 13982, 27964, 34955, 55928, 69910, 139820, 174775, 279640, 349550, 699100, 873875, 1398200, 1747750, 3495500, 6991000]

約数ペア:

[(1, 6991000), (2, 3495500), (4, 1747750), (5, 1398200), (8, 873875), (10, 699100), (20, 349550), (25, 279640), (40, 174775), (50, 139820), (100, 69910), (125, 55928), (200, 34955), (250, 27964), (500, 13982), (1000, 6991)]