389949872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1874759}}^1$

素因数の和:1874780

約数の個数: 20

約数和(自身を含む): 813645840

約数和(自身を除く): 423695968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1874759, 3749518, 7499036, 14998072, 24371867, 29996144, 48743734, 97487468, 194974936, 389949872]

約数ペア:

[(1, 389949872), (2, 194974936), (4, 97487468), (8, 48743734), (13, 29996144), (16, 24371867), (26, 14998072), (52, 7499036), (104, 3749518), (208, 1874759)]