205980558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{719}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 497664000

約数和(自身を除く): 291683442

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 359, 399, 718, 719, 798, 1077, 1438, 2154, 2157, 2513, 4314, 5026, 5033, 6821, 7539, 10066, 13642, 13661, 15078, 15099, 20463, 27322, 30198, 40926, 40983, 47747, 81966, 95494, 95627, 143241, 191254, 258121, 286482, 286881, 516242, 573762, 774363, 1548726, 1806847, 3613694, 4904299, 5420541, 9808598, 10841082, 14712897, 29425794, 34330093, 68660186, 102990279, 205980558]

約数ペア:

[(1, 205980558), (2, 102990279), (3, 68660186), (6, 34330093), (7, 29425794), (14, 14712897), (19, 10841082), (21, 9808598), (38, 5420541), (42, 4904299), (57, 3613694), (114, 1806847), (133, 1548726), (266, 774363), (359, 573762), (399, 516242), (718, 286881), (719, 286482), (798, 258121), (1077, 191254), (1438, 143241), (2154, 95627), (2157, 95494), (2513, 81966), (4314, 47747), (5026, 40983), (5033, 40926), (6821, 30198), (7539, 27322), (10066, 20463), (13642, 15099), (13661, 15078)]