28403998

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{65447}}^1$

素因数の和:65487

約数の個数: 16

約数和(自身を含む): 50264064

約数和(自身を除く): 21860066

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 65447, 130894, 458129, 916258, 2028857, 4057714, 14201999, 28403998]

約数ペア:

[(1, 28403998), (2, 14201999), (7, 4057714), (14, 2028857), (31, 916258), (62, 458129), (217, 130894), (434, 65447)]