25355386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 20724614

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 479, 958, 1393, 2786, 3353, 3781, 6706, 7562, 9101, 18202, 26467, 52934, 63707, 95321, 127414, 190642, 667247, 1334494, 1811099, 3622198, 12677693, 25355386]

約数ペア:

[(1, 25355386), (2, 12677693), (7, 3622198), (14, 1811099), (19, 1334494), (38, 667247), (133, 190642), (199, 127414), (266, 95321), (398, 63707), (479, 52934), (958, 26467), (1393, 18202), (2786, 9101), (3353, 7562), (3781, 6706)]