25431224

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 59317440

約数和(自身を除く): 33886216

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 181, 182, 193, 362, 364, 386, 724, 728, 772, 1267, 1351, 1448, 1544, 2353, 2509, 2534, 2702, 4706, 5018, 5068, 5404, 9412, 10036, 10136, 10808, 16471, 17563, 18824, 20072, 32942, 34933, 35126, 65884, 69866, 70252, 131768, 139732, 140504, 244531, 279464, 454129, 489062, 908258, 978124, 1816516, 1956248, 3178903, 3633032, 6357806, 12715612, 25431224]

約数ペア:

[(1, 25431224), (2, 12715612), (4, 6357806), (7, 3633032), (8, 3178903), (13, 1956248), (14, 1816516), (26, 978124), (28, 908258), (52, 489062), (56, 454129), (91, 279464), (104, 244531), (181, 140504), (182, 139732), (193, 131768), (362, 70252), (364, 69866), (386, 65884), (724, 35126), (728, 34933), (772, 32942), (1267, 20072), (1351, 18824), (1448, 17563), (1544, 16471), (2353, 10808), (2509, 10136), (2534, 10036), (2702, 9412), (4706, 5404), (5018, 5068)]