128863930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991261}}^1$

素因数の和:991281

約数の個数: 16

約数和(自身を含む): 249798024

約数和(自身を除く): 120934094

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 991261, 1982522, 4956305, 9912610, 12886393, 25772786, 64431965, 128863930]

約数ペア:

[(1, 128863930), (2, 64431965), (5, 25772786), (10, 12886393), (13, 9912610), (26, 4956305), (65, 1982522), (130, 991261)]