71678621

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{76991}}^1$

素因数の和:77024

約数の個数: 12

約数和(自身を含む): 87770880

約数和(自身を除く): 16092259

約数列:

[1, 7, 19, 49, 133, 931, 76991, 538937, 1462829, 3772559, 10239803, 71678621]

約数ペア:

[(1, 71678621), (7, 10239803), (19, 3772559), (49, 1462829), (133, 538937), (931, 76991)]