81168416

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11689}}^1$

素因数の和:11737

約数の個数: 48

約数和(自身を含む): 188536320

約数和(自身を除く): 107367904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 11689, 23378, 46756, 81823, 93512, 163646, 187024, 327292, 362359, 374048, 654584, 724718, 1309168, 1449436, 2536513, 2618336, 2898872, 5073026, 5797744, 10146052, 11595488, 20292104, 40584208, 81168416]

約数ペア:

[(1, 81168416), (2, 40584208), (4, 20292104), (7, 11595488), (8, 10146052), (14, 5797744), (16, 5073026), (28, 2898872), (31, 2618336), (32, 2536513), (56, 1449436), (62, 1309168), (112, 724718), (124, 654584), (217, 374048), (224, 362359), (248, 327292), (434, 187024), (496, 163646), (868, 93512), (992, 81823), (1736, 46756), (3472, 23378), (6944, 11689)]