201306889

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 232812160

約数和(自身を除く): 31505271

約数列:

[1, 7, 139, 313, 661, 973, 2191, 4627, 43507, 91879, 206893, 304549, 643153, 1448251, 28758127, 201306889]

約数ペア:

[(1, 201306889), (7, 28758127), (139, 1448251), (313, 643153), (661, 304549), (973, 206893), (2191, 91879), (4627, 43507)]