7840144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37693}}^1$

素因数の和:37714

約数の個数: 20

約数和(自身を含む): 16359196

約数和(自身を除く): 8519052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 37693, 75386, 150772, 301544, 490009, 603088, 980018, 1960036, 3920072, 7840144]

約数ペア:

[(1, 7840144), (2, 3920072), (4, 1960036), (8, 980018), (13, 603088), (16, 490009), (26, 301544), (52, 150772), (104, 75386), (208, 37693)]