2780556

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{1667}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 6538560

約数和(自身を除く): 3758004

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1667, 1668, 3334, 5001, 6668, 10002, 20004, 231713, 463426, 695139, 926852, 1390278, 2780556]

約数ペア:

[(1, 2780556), (2, 1390278), (3, 926852), (4, 695139), (6, 463426), (12, 231713), (139, 20004), (278, 10002), (417, 6668), (556, 5001), (834, 3334), (1667, 1668)]