81171454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14387}}^1$

素因数の和:14440

約数の個数: 32

約数和(自身を含む): 154699776

約数和(自身を除く): 73528322

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 14387, 28774, 100709, 187031, 201418, 374062, 445997, 891994, 1309217, 2618434, 3121979, 5797961, 6243958, 11595922, 40585727, 81171454]

約数ペア:

[(1, 81171454), (2, 40585727), (7, 11595922), (13, 6243958), (14, 5797961), (26, 3121979), (31, 2618434), (62, 1309217), (91, 891994), (182, 445997), (217, 374062), (403, 201418), (434, 187031), (806, 100709), (2821, 28774), (5642, 14387)]