208147156

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{21059}}^1$

素因数の和:21423

約数の個数: 24

約数和(自身を含む): 417493440

約数和(自身を除く): 209346284

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 4942, 9884, 21059, 42118, 84236, 147413, 294826, 589652, 7433827, 14867654, 29735308, 52036789, 104073578, 208147156]

約数ペア:

[(1, 208147156), (2, 104073578), (4, 52036789), (7, 29735308), (14, 14867654), (28, 7433827), (353, 589652), (706, 294826), (1412, 147413), (2471, 84236), (4942, 42118), (9884, 21059)]