128532155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 168614784

約数和(自身を除く): 40082629

約数列:

[1, 5, 17, 53, 85, 103, 265, 277, 515, 901, 1385, 1751, 4505, 4709, 5459, 8755, 14681, 23545, 27295, 28531, 73405, 92803, 142655, 249577, 464015, 485027, 1247885, 1512143, 2425135, 7560715, 25706431, 128532155]

約数ペア:

[(1, 128532155), (5, 25706431), (17, 7560715), (53, 2425135), (85, 1512143), (103, 1247885), (265, 485027), (277, 464015), (515, 249577), (901, 142655), (1385, 92803), (1751, 73405), (4505, 28531), (4709, 27295), (5459, 23545), (8755, 14681)]