66944176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321847}}^1$

素因数の和:321868

約数の個数: 20

約数和(自身を含む): 139682032

約数和(自身を除く): 72737856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321847, 643694, 1287388, 2574776, 4184011, 5149552, 8368022, 16736044, 33472088, 66944176]

約数ペア:

[(1, 66944176), (2, 33472088), (4, 16736044), (8, 8368022), (13, 5149552), (16, 4184011), (26, 2574776), (52, 1287388), (104, 643694), (208, 321847)]