231519904

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 144

約数和(自身を含む): 598461696

約数和(自身を除く): 366941792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 433, 434, 496, 539, 616, 682, 784, 866, 868, 992, 1078, 1232, 1364, 1519, 1568, 1732, 1736, 2156, 2387, 2464, 2728, 3031, 3038, 3464, 3472, 4312, 4763, 4774, 5456, 6062, 6076, 6928, 6944, 8624, 9526, 9548, 10912, 12124, 12152, 13423, 13856, 16709, 17248, 19052, 19096, 21217, 24248, 24304, 26846, 33341, 33418, 38104, 38192, 42434, 48496, 48608, 53692, 66682, 66836, 76208, 76384, 84868, 93961, 96992, 107384, 133364, 133672, 147653, 152416, 169736, 187922, 214768, 233387, 266728, 267344, 295306, 339472, 375844, 429536, 466774, 533456, 534688, 590612, 657727, 678944, 751688, 933548, 1033571, 1066912, 1181224, 1315454, 1503376, 1867096, 2067142, 2362448, 2630908, 3006752, 3734192, 4134284, 4724896, 5261816, 7234997, 7468384, 8268568, 10523632, 14469994, 16537136, 21047264, 28939988, 33074272, 57879976, 115759952, 231519904]

約数ペア:

[(1, 231519904), (2, 115759952), (4, 57879976), (7, 33074272), (8, 28939988), (11, 21047264), (14, 16537136), (16, 14469994), (22, 10523632), (28, 8268568), (31, 7468384), (32, 7234997), (44, 5261816), (49, 4724896), (56, 4134284), (62, 3734192), (77, 3006752), (88, 2630908), (98, 2362448), (112, 2067142), (124, 1867096), (154, 1503376), (176, 1315454), (196, 1181224), (217, 1066912), (224, 1033571), (248, 933548), (308, 751688), (341, 678944), (352, 657727), (392, 590612), (433, 534688), (434, 533456), (496, 466774), (539, 429536), (616, 375844), (682, 339472), (784, 295306), (866, 267344), (868, 266728), (992, 233387), (1078, 214768), (1232, 187922), (1364, 169736), (1519, 152416), (1568, 147653), (1732, 133672), (1736, 133364), (2156, 107384), (2387, 96992), (2464, 93961), (2728, 84868), (3031, 76384), (3038, 76208), (3464, 66836), (3472, 66682), (4312, 53692), (4763, 48608), (4774, 48496), (5456, 42434), (6062, 38192), (6076, 38104), (6928, 33418), (6944, 33341), (8624, 26846), (9526, 24304), (9548, 24248), (10912, 21217), (12124, 19096), (12152, 19052), (13423, 17248), (13856, 16709)]