25428728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{244507}}^1$

素因数の和:244526

約数の個数: 16

約数和(自身を含む): 51346680

約数和(自身を除く): 25917952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 244507, 489014, 978028, 1956056, 3178591, 6357182, 12714364, 25428728]

約数ペア:

[(1, 25428728), (2, 12714364), (4, 6357182), (8, 3178591), (13, 1956056), (26, 978028), (52, 489014), (104, 244507)]