28595710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20028

約数の個数: 32

約数和(自身を含む): 60473952

約数和(自身を除く): 31878242

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19997, 39994, 99985, 199970, 219967, 259961, 439934, 519922, 1099835, 1299805, 2199670, 2599610, 2859571, 5719142, 14297855, 28595710]

約数ペア:

[(1, 28595710), (2, 14297855), (5, 5719142), (10, 2859571), (11, 2599610), (13, 2199670), (22, 1299805), (26, 1099835), (55, 519922), (65, 439934), (110, 259961), (130, 219967), (143, 199970), (286, 99985), (715, 39994), (1430, 19997)]