28277425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 39894768

約数和(自身を除く): 11617343

約数列:

[1, 5, 11, 25, 31, 55, 107, 155, 275, 341, 535, 775, 961, 1177, 1705, 2675, 3317, 4805, 5885, 8525, 10571, 16585, 24025, 29425, 36487, 52855, 82925, 102827, 182435, 264275, 514135, 912175, 1131097, 2570675, 5655485, 28277425]

約数ペア:

[(1, 28277425), (5, 5655485), (11, 2570675), (25, 1131097), (31, 912175), (55, 514135), (107, 264275), (155, 182435), (275, 102827), (341, 82925), (535, 52855), (775, 36487), (961, 29425), (1177, 24025), (1705, 16585), (2675, 10571), (3317, 8525), (4805, 5885)]