1220813

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 16

約数和(自身を含む): 1425600

約数和(自身を除く): 204787

約数列:

[1, 11, 29, 43, 89, 319, 473, 979, 1247, 2581, 3827, 13717, 28391, 42097, 110983, 1220813]

約数ペア:

[(1, 1220813), (11, 110983), (29, 42097), (43, 28391), (89, 13717), (319, 3827), (473, 2581), (979, 1247)]