389619944

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{17011}}^1$

素因数の和:17433

約数の個数: 32

約数和(自身を含む): 836990400

約数和(自身を除く): 447370456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 1636, 2863, 3272, 5726, 11452, 17011, 22904, 34022, 68044, 119077, 136088, 238154, 476308, 952616, 6957499, 13914998, 27829996, 48702493, 55659992, 97404986, 194809972, 389619944]

約数ペア:

[(1, 389619944), (2, 194809972), (4, 97404986), (7, 55659992), (8, 48702493), (14, 27829996), (28, 13914998), (56, 6957499), (409, 952616), (818, 476308), (1636, 238154), (2863, 136088), (3272, 119077), (5726, 68044), (11452, 34022), (17011, 22904)]