26815984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128923}}^1$

素因数の和:128944

約数の個数: 20

約数和(自身を含む): 55953016

約数和(自身を除く): 29137032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128923, 257846, 515692, 1031384, 1675999, 2062768, 3351998, 6703996, 13407992, 26815984]

約数ペア:

[(1, 26815984), (2, 13407992), (4, 6703996), (8, 3351998), (13, 2062768), (16, 1675999), (26, 1031384), (52, 515692), (104, 257846), (208, 128923)]