25854478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 18497522

約数列:

[1, 2, 13, 19, 26, 38, 199, 247, 263, 398, 494, 526, 2587, 3419, 3781, 4997, 5174, 6838, 7562, 9994, 49153, 52337, 64961, 98306, 104674, 129922, 680381, 994403, 1360762, 1988806, 12927239, 25854478]

約数ペア:

[(1, 25854478), (2, 12927239), (13, 1988806), (19, 1360762), (26, 994403), (38, 680381), (199, 129922), (247, 104674), (263, 98306), (398, 64961), (494, 52337), (526, 49153), (2587, 9994), (3419, 7562), (3781, 6838), (4997, 5174)]