25767664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 60

約数和(自身を含む): 55866216

約数和(自身を除く): 30098552

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 67, 86, 104, 134, 172, 208, 268, 344, 536, 559, 688, 871, 1072, 1118, 1742, 1849, 2236, 2881, 3484, 3698, 4472, 5762, 6968, 7396, 8944, 11524, 13936, 14792, 23048, 24037, 29584, 37453, 46096, 48074, 74906, 96148, 123883, 149812, 192296, 247766, 299624, 384592, 495532, 599248, 991064, 1610479, 1982128, 3220958, 6441916, 12883832, 25767664]

約数ペア:

[(1, 25767664), (2, 12883832), (4, 6441916), (8, 3220958), (13, 1982128), (16, 1610479), (26, 991064), (43, 599248), (52, 495532), (67, 384592), (86, 299624), (104, 247766), (134, 192296), (172, 149812), (208, 123883), (268, 96148), (344, 74906), (536, 48074), (559, 46096), (688, 37453), (871, 29584), (1072, 24037), (1118, 23048), (1742, 14792), (1849, 13936), (2236, 11524), (2881, 8944), (3484, 7396), (3698, 6968), (4472, 5762)]