28390938

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{30139}}^1$

素因数の和:30301

約数の個数: 16

約数和(自身を含む): 57145440

約数和(自身を除く): 28754502

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 30139, 60278, 90417, 180834, 4731823, 9463646, 14195469, 28390938]

約数ペア:

[(1, 28390938), (2, 14195469), (3, 9463646), (6, 4731823), (157, 180834), (314, 90417), (471, 60278), (942, 30139)]