28212496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135637}}^1$

素因数の和:135658

約数の個数: 20

約数和(自身を含む): 58866892

約数和(自身を除く): 30654396

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135637, 271274, 542548, 1085096, 1763281, 2170192, 3526562, 7053124, 14106248, 28212496]

約数ペア:

[(1, 28212496), (2, 14106248), (4, 7053124), (8, 3526562), (13, 2170192), (16, 1763281), (26, 1085096), (52, 542548), (104, 271274), (208, 135637)]