25019792

素因数分解:

$2^4\times 7^3\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 33309808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 97, 98, 112, 188, 194, 196, 329, 343, 376, 388, 392, 658, 679, 686, 752, 776, 784, 1316, 1358, 1372, 1552, 2303, 2632, 2716, 2744, 4559, 4606, 4753, 5264, 5432, 5488, 9118, 9212, 9506, 10864, 16121, 18236, 18424, 19012, 31913, 32242, 33271, 36472, 36848, 38024, 63826, 64484, 66542, 72944, 76048, 127652, 128968, 133084, 223391, 255304, 257936, 266168, 446782, 510608, 532336, 893564, 1563737, 1787128, 3127474, 3574256, 6254948, 12509896, 25019792]

約数ペア:

[(1, 25019792), (2, 12509896), (4, 6254948), (7, 3574256), (8, 3127474), (14, 1787128), (16, 1563737), (28, 893564), (47, 532336), (49, 510608), (56, 446782), (94, 266168), (97, 257936), (98, 255304), (112, 223391), (188, 133084), (194, 128968), (196, 127652), (329, 76048), (343, 72944), (376, 66542), (388, 64484), (392, 63826), (658, 38024), (679, 36848), (686, 36472), (752, 33271), (776, 32242), (784, 31913), (1316, 19012), (1358, 18424), (1372, 18236), (1552, 16121), (2303, 10864), (2632, 9506), (2716, 9212), (2744, 9118), (4559, 5488), (4606, 5432), (4753, 5264)]