28679075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 37758000

約数和(自身を除く): 9078925

約数列:

[1, 5, 19, 25, 95, 173, 349, 475, 865, 1745, 3287, 4325, 6631, 8725, 16435, 33155, 60377, 82175, 165775, 301885, 1147163, 1509425, 5735815, 28679075]

約数ペア:

[(1, 28679075), (5, 5735815), (19, 1509425), (25, 1147163), (95, 301885), (173, 165775), (349, 82175), (475, 60377), (865, 33155), (1745, 16435), (3287, 8725), (4325, 6631)]