80777942768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265716917}}^1$

素因数の和:265716944

約数の個数: 20

約数和(自身を含む): 164744489160

約数和(自身を除く): 83966546392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265716917, 531433834, 1062867668, 2125735336, 4251470672, 5048621423, 10097242846, 20194485692, 40388971384, 80777942768]

約数ペア:

[(1, 80777942768), (2, 40388971384), (4, 20194485692), (8, 10097242846), (16, 5048621423), (19, 4251470672), (38, 2125735336), (76, 1062867668), (152, 531433834), (304, 265716917)]