51325216

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 105489216

約数和(自身を除く): 54164000

約数列:

[1, 2, 4, 8, 16, 32, 37, 67, 74, 134, 148, 268, 296, 536, 592, 647, 1072, 1184, 1294, 2144, 2479, 2588, 4958, 5176, 9916, 10352, 19832, 20704, 23939, 39664, 43349, 47878, 79328, 86698, 95756, 173396, 191512, 346792, 383024, 693584, 766048, 1387168, 1603913, 3207826, 6415652, 12831304, 25662608, 51325216]

約数ペア:

[(1, 51325216), (2, 25662608), (4, 12831304), (8, 6415652), (16, 3207826), (32, 1603913), (37, 1387168), (67, 766048), (74, 693584), (134, 383024), (148, 346792), (268, 191512), (296, 173396), (536, 95756), (592, 86698), (647, 79328), (1072, 47878), (1184, 43349), (1294, 39664), (2144, 23939), (2479, 20704), (2588, 19832), (4958, 10352), (5176, 9916)]