28821925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 39229632

約数和(自身を除く): 10407707

約数列:

[1, 5, 11, 25, 55, 275, 311, 337, 1555, 1685, 3421, 3707, 7775, 8425, 17105, 18535, 85525, 92675, 104807, 524035, 1152877, 2620175, 5764385, 28821925]

約数ペア:

[(1, 28821925), (5, 5764385), (11, 2620175), (25, 1152877), (55, 524035), (275, 104807), (311, 92675), (337, 85525), (1555, 18535), (1685, 17105), (3421, 8425), (3707, 7775)]