12720292

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 24923136

約数和(自身を除く): 12202844

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 607, 676, 806, 1214, 1612, 2428, 5239, 7891, 10478, 15782, 18817, 20956, 31564, 37634, 75268, 102583, 205166, 244621, 410332, 489242, 978484, 3180073, 6360146, 12720292]

約数ペア:

[(1, 12720292), (2, 6360146), (4, 3180073), (13, 978484), (26, 489242), (31, 410332), (52, 244621), (62, 205166), (124, 102583), (169, 75268), (338, 37634), (403, 31564), (607, 20956), (676, 18817), (806, 15782), (1214, 10478), (1612, 7891), (2428, 5239)]