13255445

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 19783680

約数和(自身を除く): 6528235

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 643, 665, 1085, 2945, 3215, 4123, 4501, 12217, 19933, 20615, 22505, 61085, 85519, 99665, 139531, 378727, 427595, 697655, 1893635, 2651089, 13255445]

約数ペア:

[(1, 13255445), (5, 2651089), (7, 1893635), (19, 697655), (31, 427595), (35, 378727), (95, 139531), (133, 99665), (155, 85519), (217, 61085), (589, 22505), (643, 20615), (665, 19933), (1085, 12217), (2945, 4501), (3215, 4123)]