66867712

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2220

約数の個数: 40

約数和(自身を含む): 135858492

約数和(自身を除く): 68990780

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1952, 2141, 3904, 4282, 7808, 8564, 15616, 17128, 31232, 34256, 68512, 130601, 137024, 261202, 274048, 522404, 548096, 1044808, 1096192, 2089616, 4179232, 8358464, 16716928, 33433856, 66867712]

約数ペア:

[(1, 66867712), (2, 33433856), (4, 16716928), (8, 8358464), (16, 4179232), (32, 2089616), (61, 1096192), (64, 1044808), (122, 548096), (128, 522404), (244, 274048), (256, 261202), (488, 137024), (512, 130601), (976, 68512), (1952, 34256), (2141, 31232), (3904, 17128), (4282, 15616), (7808, 8564)]