261776228

素因数分解:

$2^2\times 7^4\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 60

約数和(自身を含む): 541859052

約数和(自身を除く): 280082824

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 281, 343, 388, 562, 679, 686, 1124, 1358, 1372, 1967, 2401, 2716, 3934, 4753, 4802, 7868, 9506, 9604, 13769, 19012, 27257, 27538, 33271, 54514, 55076, 66542, 96383, 109028, 133084, 190799, 192766, 232897, 381598, 385532, 465794, 674681, 763196, 931588, 1335593, 1349362, 2671186, 2698724, 5342372, 9349151, 18698302, 37396604, 65444057, 130888114, 261776228]

約数ペア:

[(1, 261776228), (2, 130888114), (4, 65444057), (7, 37396604), (14, 18698302), (28, 9349151), (49, 5342372), (97, 2698724), (98, 2671186), (194, 1349362), (196, 1335593), (281, 931588), (343, 763196), (388, 674681), (562, 465794), (679, 385532), (686, 381598), (1124, 232897), (1358, 192766), (1372, 190799), (1967, 133084), (2401, 109028), (2716, 96383), (3934, 66542), (4753, 55076), (4802, 54514), (7868, 33271), (9506, 27538), (9604, 27257), (13769, 19012)]