81284918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4003}}^1$

素因数の和:4100

約数の個数: 32

約数和(自身を含む): 145297152

約数和(自身を除く): 64012234

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1562, 1846, 4003, 8006, 10153, 20306, 44033, 52039, 88066, 104078, 284213, 568426, 572429, 1144858, 3126343, 3694769, 6252686, 7389538, 40642459, 81284918]

約数ペア:

[(1, 81284918), (2, 40642459), (11, 7389538), (13, 6252686), (22, 3694769), (26, 3126343), (71, 1144858), (142, 572429), (143, 568426), (286, 284213), (781, 104078), (923, 88066), (1562, 52039), (1846, 44033), (4003, 20306), (8006, 10153)]