280291286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2333}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 473223168

約数和(自身を除く): 192931882

約数列:

[1, 2, 11, 22, 43, 86, 127, 254, 473, 946, 1397, 2333, 2794, 4666, 5461, 10922, 25663, 51326, 60071, 100319, 120142, 200638, 296291, 592582, 1103509, 2207018, 3259201, 6518402, 12740513, 25481026, 140145643, 280291286]

約数ペア:

[(1, 280291286), (2, 140145643), (11, 25481026), (22, 12740513), (43, 6518402), (86, 3259201), (127, 2207018), (254, 1103509), (473, 592582), (946, 296291), (1397, 200638), (2333, 120142), (2794, 100319), (4666, 60071), (5461, 51326), (10922, 25663)]