78293281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3709}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 90820800

約数和(自身を除く): 12527519

約数列:

[1, 11, 19, 101, 209, 1111, 1919, 3709, 21109, 40799, 70471, 374609, 775181, 4120699, 7117571, 78293281]

約数ペア:

[(1, 78293281), (11, 7117571), (19, 4120699), (101, 775181), (209, 374609), (1111, 70471), (1919, 40799), (3709, 21109)]