28313135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 9702865

約数列:

[1, 5, 19, 29, 43, 95, 145, 215, 239, 551, 817, 1195, 1247, 2755, 4085, 4541, 6235, 6931, 10277, 22705, 23693, 34655, 51385, 118465, 131689, 195263, 298033, 658445, 976315, 1490165, 5662627, 28313135]

約数ペア:

[(1, 28313135), (5, 5662627), (19, 1490165), (29, 976315), (43, 658445), (95, 298033), (145, 195263), (215, 131689), (239, 118465), (551, 51385), (817, 34655), (1195, 23693), (1247, 22705), (2755, 10277), (4085, 6931), (4541, 6235)]