209526796

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{102911}}^1$

素因数の和:103424

約数の個数: 12

約数和(自身を含む): 367395840

約数和(自身を除く): 157869044

約数列:

[1, 2, 4, 509, 1018, 2036, 102911, 205822, 411644, 52381699, 104763398, 209526796]

約数ペア:

[(1, 209526796), (2, 104763398), (4, 52381699), (509, 411644), (1018, 205822), (2036, 102911)]