25663456

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1296

約数の個数: 72

約数和(自身を含む): 63345240

約数和(自身を除く): 37681784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1259, 1274, 1456, 1568, 2518, 2548, 2912, 5036, 5096, 8813, 10072, 10192, 16367, 17626, 20144, 20384, 32734, 35252, 40288, 61691, 65468, 70504, 114569, 123382, 130936, 141008, 229138, 246764, 261872, 282016, 458276, 493528, 523744, 801983, 916552, 987056, 1603966, 1833104, 1974112, 3207932, 3666208, 6415864, 12831728, 25663456]

約数ペア:

[(1, 25663456), (2, 12831728), (4, 6415864), (7, 3666208), (8, 3207932), (13, 1974112), (14, 1833104), (16, 1603966), (26, 987056), (28, 916552), (32, 801983), (49, 523744), (52, 493528), (56, 458276), (91, 282016), (98, 261872), (104, 246764), (112, 229138), (182, 141008), (196, 130936), (208, 123382), (224, 114569), (364, 70504), (392, 65468), (416, 61691), (637, 40288), (728, 35252), (784, 32734), (1259, 20384), (1274, 20144), (1456, 17626), (1568, 16367), (2518, 10192), (2548, 10072), (2912, 8813), (5036, 5096)]