28080364

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41539}}^1$

素因数の和:41569

約数の個数: 18

約数和(自身を含む): 53212740

約数和(自身を除く): 25132376

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41539, 83078, 166156, 540007, 1080014, 2160028, 7020091, 14040182, 28080364]

約数ペア:

[(1, 28080364), (2, 14040182), (4, 7020091), (13, 2160028), (26, 1080014), (52, 540007), (169, 166156), (338, 83078), (676, 41539)]