25271456

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 58949856

約数和(自身を除く): 33678400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 227, 284, 392, 454, 497, 568, 784, 908, 994, 1136, 1568, 1589, 1816, 1988, 2272, 3178, 3479, 3632, 3976, 6356, 6958, 7264, 7952, 11123, 12712, 13916, 15904, 16117, 22246, 25424, 27832, 32234, 44492, 50848, 55664, 64468, 88984, 111328, 112819, 128936, 177968, 225638, 257872, 355936, 451276, 515744, 789733, 902552, 1579466, 1805104, 3158932, 3610208, 6317864, 12635728, 25271456]

約数ペア:

[(1, 25271456), (2, 12635728), (4, 6317864), (7, 3610208), (8, 3158932), (14, 1805104), (16, 1579466), (28, 902552), (32, 789733), (49, 515744), (56, 451276), (71, 355936), (98, 257872), (112, 225638), (142, 177968), (196, 128936), (224, 112819), (227, 111328), (284, 88984), (392, 64468), (454, 55664), (497, 50848), (568, 44492), (784, 32234), (908, 27832), (994, 25424), (1136, 22246), (1568, 16117), (1589, 15904), (1816, 13916), (1988, 12712), (2272, 11123), (3178, 7952), (3479, 7264), (3632, 6958), (3976, 6356)]