251661844

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 544409600

約数和(自身を除く): 292747756

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 97, 98, 122, 124, 194, 196, 217, 244, 343, 388, 427, 434, 679, 686, 854, 868, 1358, 1372, 1519, 1708, 1891, 2716, 2989, 3007, 3038, 3782, 4753, 5917, 5978, 6014, 6076, 7564, 9506, 10633, 11834, 11956, 12028, 13237, 19012, 20923, 21049, 21266, 23668, 26474, 33271, 41419, 41846, 42098, 42532, 52948, 66542, 82838, 83692, 84196, 92659, 133084, 147343, 165676, 183427, 185318, 289933, 294686, 366854, 370636, 579866, 589372, 648613, 733708, 1031401, 1159732, 1283989, 1297226, 2029531, 2062802, 2567978, 2594452, 4059062, 4125604, 5135956, 8118124, 8987923, 17975846, 35951692, 62915461, 125830922, 251661844]

約数ペア:

[(1, 251661844), (2, 125830922), (4, 62915461), (7, 35951692), (14, 17975846), (28, 8987923), (31, 8118124), (49, 5135956), (61, 4125604), (62, 4059062), (97, 2594452), (98, 2567978), (122, 2062802), (124, 2029531), (194, 1297226), (196, 1283989), (217, 1159732), (244, 1031401), (343, 733708), (388, 648613), (427, 589372), (434, 579866), (679, 370636), (686, 366854), (854, 294686), (868, 289933), (1358, 185318), (1372, 183427), (1519, 165676), (1708, 147343), (1891, 133084), (2716, 92659), (2989, 84196), (3007, 83692), (3038, 82838), (3782, 66542), (4753, 52948), (5917, 42532), (5978, 42098), (6014, 41846), (6076, 41419), (7564, 33271), (9506, 26474), (10633, 23668), (11834, 21266), (11956, 21049), (12028, 20923), (13237, 19012)]