205292017

素因数分解:

$7^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 270160000

約数和(自身を除く): 64867983

約数列:

[1, 7, 17, 19, 49, 109, 119, 133, 289, 323, 343, 763, 833, 931, 1853, 2023, 2071, 2261, 5341, 5491, 5831, 6517, 12971, 14161, 14497, 15827, 31501, 35207, 37387, 38437, 90797, 99127, 101479, 110789, 220507, 246449, 269059, 598519, 635579, 710353, 1543549, 1725143, 1883413, 4189633, 10804843, 12076001, 29327431, 205292017]

約数ペア:

[(1, 205292017), (7, 29327431), (17, 12076001), (19, 10804843), (49, 4189633), (109, 1883413), (119, 1725143), (133, 1543549), (289, 710353), (323, 635579), (343, 598519), (763, 269059), (833, 246449), (931, 220507), (1853, 110789), (2023, 101479), (2071, 99127), (2261, 90797), (5341, 38437), (5491, 37387), (5831, 35207), (6517, 31501), (12971, 15827), (14161, 14497)]