12489988

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1453}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 25078592

約数和(自身を除く): 12588604

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 1453, 2149, 2906, 4298, 5812, 8596, 10171, 20342, 40684, 446071, 892142, 1784284, 3122497, 6244994, 12489988]

約数ペア:

[(1, 12489988), (2, 6244994), (4, 3122497), (7, 1784284), (14, 892142), (28, 446071), (307, 40684), (614, 20342), (1228, 10171), (1453, 8596), (2149, 5812), (2906, 4298)]