12279995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 18361728

約数和(自身を除く): 6081733

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 197, 455, 685, 959, 985, 1379, 1781, 2561, 4795, 6895, 8905, 12467, 12805, 17927, 26989, 62335, 89635, 134945, 188923, 350857, 944615, 1754285, 2455999, 12279995]

約数ペア:

[(1, 12279995), (5, 2455999), (7, 1754285), (13, 944615), (35, 350857), (65, 188923), (91, 134945), (137, 89635), (197, 62335), (455, 26989), (685, 17927), (959, 12805), (985, 12467), (1379, 8905), (1781, 6895), (2561, 4795)]