207987385

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{1609}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 253169280

約数和(自身を除く): 45181895

約数列:

[1, 5, 103, 251, 515, 1255, 1609, 8045, 25853, 129265, 165727, 403859, 828635, 2019295, 41597477, 207987385]

約数ペア:

[(1, 207987385), (5, 41597477), (103, 2019295), (251, 828635), (515, 403859), (1255, 165727), (1609, 129265), (8045, 25853)]