1283128976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4220819}}^1$

素因数の和:4220846

約数の個数: 20

約数和(自身を含む): 2616908400

約数和(自身を除く): 1333779424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4220819, 8441638, 16883276, 33766552, 67533104, 80195561, 160391122, 320782244, 641564488, 1283128976]

約数ペア:

[(1, 1283128976), (2, 641564488), (4, 320782244), (8, 160391122), (16, 80195561), (19, 67533104), (38, 33766552), (76, 16883276), (152, 8441638), (304, 4220819)]