12891395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4987}}^1$

素因数の和:5050

約数の個数: 16

約数和(自身を含む): 17238528

約数和(自身を除く): 4347133

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 4987, 24935, 54857, 234389, 274285, 1171945, 2578279, 12891395]

約数ペア:

[(1, 12891395), (5, 2578279), (11, 1171945), (47, 274285), (55, 234389), (235, 54857), (517, 24935), (2585, 4987)]