13688324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{20249}}^1$

素因数の和:20279

約数の個数: 18

約数和(自身を含む): 25940250

約数和(自身を除く): 12251926

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 20249, 40498, 80996, 263237, 526474, 1052948, 3422081, 6844162, 13688324]

約数ペア:

[(1, 13688324), (2, 6844162), (4, 3422081), (13, 1052948), (26, 526474), (52, 263237), (169, 80996), (338, 40498), (676, 20249)]