81291272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{534811}}^1$

素因数の和:534836

約数の個数: 16

約数和(自身を含む): 160443600

約数和(自身を除く): 79152328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 534811, 1069622, 2139244, 4278488, 10161409, 20322818, 40645636, 81291272]

約数ペア:

[(1, 81291272), (2, 40645636), (4, 20322818), (8, 10161409), (19, 4278488), (38, 2139244), (76, 1069622), (152, 534811)]