28615756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42331}}^1$

素因数の和:42361

約数の個数: 18

約数和(自身を含む): 54227292

約数和(自身を除く): 25611536

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42331, 84662, 169324, 550303, 1100606, 2201212, 7153939, 14307878, 28615756]

約数ペア:

[(1, 28615756), (2, 14307878), (4, 7153939), (13, 2201212), (26, 1100606), (52, 550303), (169, 169324), (338, 84662), (676, 42331)]