78721664

素因数分解:

$2^7\times 7^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 181184640

約数和(自身を除く): 102462976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 412, 448, 721, 824, 853, 896, 1442, 1648, 1706, 2884, 3296, 3412, 5768, 5971, 6592, 6824, 11536, 11942, 13184, 13648, 23072, 23884, 27296, 46144, 47768, 54592, 87859, 92288, 95536, 109184, 175718, 191072, 351436, 382144, 615013, 702872, 764288, 1230026, 1405744, 2460052, 2811488, 4920104, 5622976, 9840208, 11245952, 19680416, 39360832, 78721664]

約数ペア:

[(1, 78721664), (2, 39360832), (4, 19680416), (7, 11245952), (8, 9840208), (14, 5622976), (16, 4920104), (28, 2811488), (32, 2460052), (56, 1405744), (64, 1230026), (103, 764288), (112, 702872), (128, 615013), (206, 382144), (224, 351436), (412, 191072), (448, 175718), (721, 109184), (824, 95536), (853, 92288), (896, 87859), (1442, 54592), (1648, 47768), (1706, 46144), (2884, 27296), (3296, 23884), (3412, 23072), (5768, 13648), (5971, 13184), (6592, 11942), (6824, 11536)]