1278804556

素因数分解:

$2^2\times {\mathrm{271}}^1\times {\mathrm{443}}^1\times {\mathrm{2663}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 2252081664

約数和(自身を除く): 973277108

約数列:

[1, 2, 4, 271, 443, 542, 886, 1084, 1772, 2663, 5326, 10652, 120053, 240106, 480212, 721673, 1179709, 1443346, 2359418, 2886692, 4718836, 319701139, 639402278, 1278804556]

約数ペア:

[(1, 1278804556), (2, 639402278), (4, 319701139), (271, 4718836), (443, 2886692), (542, 2359418), (886, 1443346), (1084, 1179709), (1772, 721673), (2663, 480212), (5326, 240106), (10652, 120053)]