80687761

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 106740480

約数和(自身を除く): 26052719

約数列:

[1, 7, 11, 31, 49, 77, 121, 217, 341, 439, 539, 847, 1519, 2387, 3073, 3751, 4829, 5929, 13609, 16709, 21511, 26257, 33803, 53119, 95263, 149699, 183799, 236621, 371833, 666841, 1047893, 1646689, 2602831, 7335251, 11526823, 80687761]

約数ペア:

[(1, 80687761), (7, 11526823), (11, 7335251), (31, 2602831), (49, 1646689), (77, 1047893), (121, 666841), (217, 371833), (341, 236621), (439, 183799), (539, 149699), (847, 95263), (1519, 53119), (2387, 33803), (3073, 26257), (3751, 21511), (4829, 16709), (5929, 13609)]