28451225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 38726688

約数和(自身を除く): 10275463

約数列:

[1, 5, 11, 25, 55, 275, 307, 337, 1535, 1685, 3377, 3707, 7675, 8425, 16885, 18535, 84425, 92675, 103459, 517295, 1138049, 2586475, 5690245, 28451225]

約数ペア:

[(1, 28451225), (5, 5690245), (11, 2586475), (25, 1138049), (55, 517295), (275, 103459), (307, 92675), (337, 84425), (1535, 18535), (1685, 16885), (3377, 8425), (3707, 7675)]