16680920464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{181031}}^1$

素因数の和:181495

約数の個数: 40

約数和(自身を含む): 34884142272

約数和(自身を除く): 18203221808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 443, 886, 1772, 3544, 5759, 7088, 11518, 23036, 46072, 92144, 181031, 362062, 724124, 1448248, 2353403, 2896496, 4706806, 9413612, 18827224, 37654448, 80196733, 160393466, 320786932, 641573864, 1042557529, 1283147728, 2085115058, 4170230116, 8340460232, 16680920464]

約数ペア:

[(1, 16680920464), (2, 8340460232), (4, 4170230116), (8, 2085115058), (13, 1283147728), (16, 1042557529), (26, 641573864), (52, 320786932), (104, 160393466), (208, 80196733), (443, 37654448), (886, 18827224), (1772, 9413612), (3544, 4706806), (5759, 2896496), (7088, 2353403), (11518, 1448248), (23036, 724124), (46072, 362062), (92144, 181031)]