168195328

素因数分解:

$2^8\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 392055552

約数和(自身を除く): 223860224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 256, 329, 376, 448, 658, 752, 896, 1316, 1504, 1792, 1997, 2632, 3008, 3994, 5264, 6016, 7988, 10528, 12032, 13979, 15976, 21056, 27958, 31952, 42112, 55916, 63904, 84224, 93859, 111832, 127808, 187718, 223664, 255616, 375436, 447328, 511232, 657013, 750872, 894656, 1314026, 1501744, 1789312, 2628052, 3003488, 3578624, 5256104, 6006976, 10512208, 12013952, 21024416, 24027904, 42048832, 84097664, 168195328]

約数ペア:

[(1, 168195328), (2, 84097664), (4, 42048832), (7, 24027904), (8, 21024416), (14, 12013952), (16, 10512208), (28, 6006976), (32, 5256104), (47, 3578624), (56, 3003488), (64, 2628052), (94, 1789312), (112, 1501744), (128, 1314026), (188, 894656), (224, 750872), (256, 657013), (329, 511232), (376, 447328), (448, 375436), (658, 255616), (752, 223664), (896, 187718), (1316, 127808), (1504, 111832), (1792, 93859), (1997, 84224), (2632, 63904), (3008, 55916), (3994, 42112), (5264, 31952), (6016, 27958), (7988, 21056), (10528, 15976), (12032, 13979)]