28939976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{278269}}^1$

素因数の和:278288

約数の個数: 16

約数和(自身を含む): 58436700

約数和(自身を除く): 29496724

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 278269, 556538, 1113076, 2226152, 3617497, 7234994, 14469988, 28939976]

約数ペア:

[(1, 28939976), (2, 14469988), (4, 7234994), (8, 3617497), (13, 2226152), (26, 1113076), (52, 556538), (104, 278269)]