28046785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 37535400

約数和(自身を除く): 9488615

約数列:

[1, 5, 13, 31, 65, 155, 403, 449, 961, 2015, 2245, 4805, 5837, 12493, 13919, 29185, 62465, 69595, 180947, 431489, 904735, 2157445, 5609357, 28046785]

約数ペア:

[(1, 28046785), (5, 5609357), (13, 2157445), (31, 904735), (65, 431489), (155, 180947), (403, 69595), (449, 62465), (961, 29185), (2015, 13919), (2245, 12493), (4805, 5837)]