25940453

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 10995547

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 133, 149, 187, 209, 323, 539, 833, 931, 1043, 1309, 1463, 1639, 2261, 2533, 2831, 3553, 7301, 9163, 10241, 11473, 15827, 17731, 19817, 24871, 27863, 31141, 48127, 80311, 124117, 138719, 174097, 195041, 217987, 336889, 529397, 1365287, 1525909, 2358223, 3705779, 25940453]

約数ペア:

[(1, 25940453), (7, 3705779), (11, 2358223), (17, 1525909), (19, 1365287), (49, 529397), (77, 336889), (119, 217987), (133, 195041), (149, 174097), (187, 138719), (209, 124117), (323, 80311), (539, 48127), (833, 31141), (931, 27863), (1043, 24871), (1309, 19817), (1463, 17731), (1639, 15827), (2261, 11473), (2533, 10241), (2831, 9163), (3553, 7301)]