64191971809

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{12163}}^1$

素因数の和:12326

約数の個数: 48

約数和(自身を含む): 79674005376

約数和(自身を除く): 15482033567

約数列:

[1, 7, 37, 41, 49, 71, 259, 287, 497, 1517, 1813, 2009, 2627, 2911, 3479, 10619, 12163, 18389, 20377, 74333, 85141, 107707, 128723, 142639, 450031, 498683, 595987, 753949, 863573, 3150217, 3490781, 5277643, 6045011, 18451271, 22051519, 24435467, 31952201, 35406493, 42315077, 129158897, 223665407, 247845451, 904112279, 1310040241, 1565657849, 1734918157, 9170281687, 64191971809]

約数ペア:

[(1, 64191971809), (7, 9170281687), (37, 1734918157), (41, 1565657849), (49, 1310040241), (71, 904112279), (259, 247845451), (287, 223665407), (497, 129158897), (1517, 42315077), (1813, 35406493), (2009, 31952201), (2627, 24435467), (2911, 22051519), (3479, 18451271), (10619, 6045011), (12163, 5277643), (18389, 3490781), (20377, 3150217), (74333, 863573), (85141, 753949), (107707, 595987), (128723, 498683), (142639, 450031)]