209946212

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{14731}}^1$

素因数の和:15251

約数の個数: 24

約数和(自身を含む): 420745920

約数和(自身を除く): 210799708

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 14252, 14731, 29462, 58924, 103117, 206234, 412468, 7498079, 14996158, 29992316, 52486553, 104973106, 209946212]

約数ペア:

[(1, 209946212), (2, 104973106), (4, 52486553), (7, 29992316), (14, 14996158), (28, 7498079), (509, 412468), (1018, 206234), (2036, 103117), (3563, 58924), (7126, 29462), (14252, 14731)]