28421513

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 2221687

約数列:

[1, 31, 37, 71, 349, 1147, 2201, 2627, 10819, 12913, 24779, 81437, 400303, 768149, 916823, 28421513]

約数ペア:

[(1, 28421513), (31, 916823), (37, 768149), (71, 400303), (349, 81437), (1147, 24779), (2201, 12913), (2627, 10819)]