28198226

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 51525720

約数和(自身を除く): 23327494

約数列:

[1, 2, 7, 14, 49, 53, 61, 89, 98, 106, 122, 178, 371, 427, 623, 742, 854, 1246, 2597, 2989, 3233, 4361, 4717, 5194, 5429, 5978, 6466, 8722, 9434, 10858, 22631, 33019, 38003, 45262, 66038, 76006, 158417, 231133, 266021, 287737, 316834, 462266, 532042, 575474, 2014159, 4028318, 14099113, 28198226]

約数ペア:

[(1, 28198226), (2, 14099113), (7, 4028318), (14, 2014159), (49, 575474), (53, 532042), (61, 462266), (89, 316834), (98, 287737), (106, 266021), (122, 231133), (178, 158417), (371, 76006), (427, 66038), (623, 45262), (742, 38003), (854, 33019), (1246, 22631), (2597, 10858), (2989, 9434), (3233, 8722), (4361, 6466), (4717, 5978), (5194, 5429)]