12845456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61757}}^1$

素因数の和:61778

約数の個数: 20

約数和(自身を含む): 26802972

約数和(自身を除く): 13957516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61757, 123514, 247028, 494056, 802841, 988112, 1605682, 3211364, 6422728, 12845456]

約数ペア:

[(1, 12845456), (2, 6422728), (4, 3211364), (8, 1605682), (13, 988112), (16, 802841), (26, 494056), (52, 247028), (104, 123514), (208, 61757)]