28858310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221987}}^1$

素因数の和:222007

約数の個数: 16

約数和(自身を含む): 55940976

約数和(自身を除く): 27082666

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 221987, 443974, 1109935, 2219870, 2885831, 5771662, 14429155, 28858310]

約数ペア:

[(1, 28858310), (2, 14429155), (5, 5771662), (10, 2885831), (13, 2219870), (26, 1109935), (65, 443974), (130, 221987)]