28136815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1459}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 42048000

約数和(自身を除く): 13911185

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1459, 2755, 3857, 7295, 10213, 19285, 27721, 42311, 51065, 138605, 194047, 211555, 296177, 803909, 970235, 1480885, 4019545, 5627363, 28136815]

約数ペア:

[(1, 28136815), (5, 5627363), (7, 4019545), (19, 1480885), (29, 970235), (35, 803909), (95, 296177), (133, 211555), (145, 194047), (203, 138605), (551, 51065), (665, 42311), (1015, 27721), (1459, 19285), (2755, 10213), (3857, 7295)]