389675426

素因数分解:

$2^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{61991}}^1$

素因数の和:62449

約数の個数: 16

約数和(自身を含む): 669513600

約数和(自身を除く): 279838174

約数列:

[1, 2, 7, 14, 449, 898, 3143, 6286, 61991, 123982, 433937, 867874, 27833959, 55667918, 194837713, 389675426]

約数ペア:

[(1, 389675426), (2, 194837713), (7, 55667918), (14, 27833959), (449, 867874), (898, 433937), (3143, 123982), (6286, 61991)]