221771648

素因数分解:

$2^7\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1908

約数の個数: 96

約数和(自身を含む): 541283400

約数和(自身を除く): 319511752

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 266, 304, 392, 448, 532, 608, 784, 896, 931, 1064, 1216, 1568, 1861, 1862, 2128, 2432, 3136, 3722, 3724, 4256, 6272, 7444, 7448, 8512, 13027, 14888, 14896, 17024, 26054, 29776, 29792, 35359, 52108, 59552, 59584, 70718, 91189, 104216, 119104, 119168, 141436, 182378, 208432, 238208, 247513, 282872, 364756, 416864, 495026, 565744, 729512, 833728, 990052, 1131488, 1459024, 1667456, 1732591, 1980104, 2262976, 2918048, 3465182, 3960208, 4525952, 5836096, 6930364, 7920416, 11672192, 13860728, 15840832, 27721456, 31681664, 55442912, 110885824, 221771648]

約数ペア:

[(1, 221771648), (2, 110885824), (4, 55442912), (7, 31681664), (8, 27721456), (14, 15840832), (16, 13860728), (19, 11672192), (28, 7920416), (32, 6930364), (38, 5836096), (49, 4525952), (56, 3960208), (64, 3465182), (76, 2918048), (98, 2262976), (112, 1980104), (128, 1732591), (133, 1667456), (152, 1459024), (196, 1131488), (224, 990052), (266, 833728), (304, 729512), (392, 565744), (448, 495026), (532, 416864), (608, 364756), (784, 282872), (896, 247513), (931, 238208), (1064, 208432), (1216, 182378), (1568, 141436), (1861, 119168), (1862, 119104), (2128, 104216), (2432, 91189), (3136, 70718), (3722, 59584), (3724, 59552), (4256, 52108), (6272, 35359), (7444, 29792), (7448, 29776), (8512, 26054), (13027, 17024), (14888, 14896)]