138573916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{10789}}^1$

素因数の和:10838

約数の個数: 36

約数和(自身を含む): 276439800

約数和(自身を除く): 137865884

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 10789, 12844, 21578, 43156, 140257, 204991, 280514, 409982, 561028, 819964, 1823341, 2664883, 3646682, 5329766, 7293364, 10659532, 34643479, 69286958, 138573916]

約数ペア:

[(1, 138573916), (2, 69286958), (4, 34643479), (13, 10659532), (19, 7293364), (26, 5329766), (38, 3646682), (52, 2664883), (76, 1823341), (169, 819964), (247, 561028), (338, 409982), (494, 280514), (676, 204991), (988, 140257), (3211, 43156), (6422, 21578), (10789, 12844)]