251089664

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2381

約数の個数: 72

約数和(自身を含む): 582441888

約数和(自身を除く): 331352224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1952, 2297, 3416, 3904, 4594, 6832, 7808, 9188, 13664, 15616, 16079, 18376, 27328, 32158, 36752, 54656, 64316, 73504, 109312, 128632, 140117, 147008, 257264, 280234, 294016, 514528, 560468, 588032, 980819, 1029056, 1120936, 1961638, 2058112, 2241872, 3923276, 4116224, 4483744, 7846552, 8967488, 15693104, 17934976, 31386208, 35869952, 62772416, 125544832, 251089664]

約数ペア:

[(1, 251089664), (2, 125544832), (4, 62772416), (7, 35869952), (8, 31386208), (14, 17934976), (16, 15693104), (28, 8967488), (32, 7846552), (56, 4483744), (61, 4116224), (64, 3923276), (112, 2241872), (122, 2058112), (128, 1961638), (224, 1120936), (244, 1029056), (256, 980819), (427, 588032), (448, 560468), (488, 514528), (854, 294016), (896, 280234), (976, 257264), (1708, 147008), (1792, 140117), (1952, 128632), (2297, 109312), (3416, 73504), (3904, 64316), (4594, 54656), (6832, 36752), (7808, 32158), (9188, 27328), (13664, 18376), (15616, 16079)]