81734144

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2696

約数の個数: 40

約数和(自身を含む): 166049268

約数和(自身を除く): 84315124

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1952, 2617, 3904, 5234, 7808, 10468, 15616, 20936, 31232, 41872, 83744, 159637, 167488, 319274, 334976, 638548, 669952, 1277096, 1339904, 2554192, 5108384, 10216768, 20433536, 40867072, 81734144]

約数ペア:

[(1, 81734144), (2, 40867072), (4, 20433536), (8, 10216768), (16, 5108384), (32, 2554192), (61, 1339904), (64, 1277096), (122, 669952), (128, 638548), (244, 334976), (256, 319274), (488, 167488), (512, 159637), (976, 83744), (1952, 41872), (2617, 31232), (3904, 20936), (5234, 15616), (7808, 10468)]