389839568

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{67493}}^1$

素因数の和:67539

約数の個数: 30

約数和(自身を含む): 797171634

約数和(自身を除く): 407332066

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 67493, 134986, 269972, 539944, 1079888, 1282367, 2564734, 5129468, 10258936, 20517872, 24364973, 48729946, 97459892, 194919784, 389839568]

約数ペア:

[(1, 389839568), (2, 194919784), (4, 97459892), (8, 48729946), (16, 24364973), (19, 20517872), (38, 10258936), (76, 5129468), (152, 2564734), (304, 1282367), (361, 1079888), (722, 539944), (1444, 269972), (2888, 134986), (5776, 67493)]