201512908

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{489109}}^1$

素因数の和:489216

約数の個数: 12

約数和(自身を含む): 356072080

約数和(自身を除く): 154559172

約数列:

[1, 2, 4, 103, 206, 412, 489109, 978218, 1956436, 50378227, 100756454, 201512908]

約数ペア:

[(1, 201512908), (2, 100756454), (4, 50378227), (103, 1956436), (206, 978218), (412, 489109)]