209730872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65053}}^1$

素因数の和:65103

約数の個数: 32

約数和(自身を含む): 437162880

約数和(自身を除く): 227432008

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 65053, 130106, 260212, 520424, 845689, 1691378, 2016643, 3382756, 4033286, 6765512, 8066572, 16133144, 26216359, 52432718, 104865436, 209730872]

約数ペア:

[(1, 209730872), (2, 104865436), (4, 52432718), (8, 26216359), (13, 16133144), (26, 8066572), (31, 6765512), (52, 4033286), (62, 3382756), (104, 2016643), (124, 1691378), (248, 845689), (403, 520424), (806, 260212), (1612, 130106), (3224, 65053)]