208987517

素因数分解:

${\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 223242240

約数和(自身を除く): 14254723

約数列:

[1, 19, 127, 257, 337, 2413, 4883, 6403, 32639, 42799, 86609, 620141, 813181, 1645571, 10999343, 208987517]

約数ペア:

[(1, 208987517), (19, 10999343), (127, 1645571), (257, 813181), (337, 620141), (2413, 86609), (4883, 42799), (6403, 32639)]