205854173

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 256794624

約数和(自身を除く): 50940451

約数列:

[1, 7, 17, 53, 119, 127, 257, 371, 889, 901, 1799, 2159, 4369, 6307, 6731, 13621, 15113, 30583, 32639, 47117, 95347, 114427, 228473, 231557, 554863, 800989, 1620899, 1729867, 3884041, 12109069, 29407739, 205854173]

約数ペア:

[(1, 205854173), (7, 29407739), (17, 12109069), (53, 3884041), (119, 1729867), (127, 1620899), (257, 800989), (371, 554863), (889, 231557), (901, 228473), (1799, 114427), (2159, 95347), (4369, 47117), (6307, 32639), (6731, 30583), (13621, 15113)]