12207811

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 16374960

約数和(自身を除く): 4167149

約数列:

[1, 7, 11, 29, 49, 71, 77, 121, 203, 319, 497, 539, 781, 847, 1421, 2059, 2233, 3479, 3509, 5467, 5929, 8591, 14413, 15631, 22649, 24563, 38269, 60137, 100891, 158543, 171941, 249139, 420959, 1109801, 1743973, 12207811]

約数ペア:

[(1, 12207811), (7, 1743973), (11, 1109801), (29, 420959), (49, 249139), (71, 171941), (77, 158543), (121, 100891), (203, 60137), (319, 38269), (497, 24563), (539, 22649), (781, 15631), (847, 14413), (1421, 8591), (2059, 5929), (2233, 5467), (3479, 3509)]