278613712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{2663}}^1$

素因数の和:3187

約数の個数: 40

約数和(自身を含む): 582712704

約数和(自身を除く): 304098992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 503, 1006, 2012, 2663, 4024, 5326, 6539, 8048, 10652, 13078, 21304, 26156, 34619, 42608, 52312, 69238, 104624, 138476, 276952, 553904, 1339489, 2678978, 5357956, 10715912, 17413357, 21431824, 34826714, 69653428, 139306856, 278613712]

約数ペア:

[(1, 278613712), (2, 139306856), (4, 69653428), (8, 34826714), (13, 21431824), (16, 17413357), (26, 10715912), (52, 5357956), (104, 2678978), (208, 1339489), (503, 553904), (1006, 276952), (2012, 138476), (2663, 104624), (4024, 69238), (5326, 52312), (6539, 42608), (8048, 34619), (10652, 26156), (13078, 21304)]