1270475728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{19553}}^1$

素因数の和:19723

約数の個数: 40

約数和(自身を含む): 2560478976

約数和(自身を除く): 1290003248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 496, 524, 1048, 2096, 4061, 8122, 16244, 19553, 32488, 39106, 64976, 78212, 156424, 312848, 606143, 1212286, 2424572, 2561443, 4849144, 5122886, 9698288, 10245772, 20491544, 40983088, 79404733, 158809466, 317618932, 635237864, 1270475728]

約数ペア:

[(1, 1270475728), (2, 635237864), (4, 317618932), (8, 158809466), (16, 79404733), (31, 40983088), (62, 20491544), (124, 10245772), (131, 9698288), (248, 5122886), (262, 4849144), (496, 2561443), (524, 2424572), (1048, 1212286), (2096, 606143), (4061, 312848), (8122, 156424), (16244, 78212), (19553, 64976), (32488, 39106)]