28721128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{115811}}^1$

素因数の和:115848

約数の個数: 16

約数和(自身を含む): 55589760

約数和(自身を除く): 26868632

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 115811, 231622, 463244, 926488, 3590141, 7180282, 14360564, 28721128]

約数ペア:

[(1, 28721128), (2, 14360564), (4, 7180282), (8, 3590141), (31, 926488), (62, 463244), (124, 231622), (248, 115811)]