81907756

素因数分解:

$2^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{3607}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 164062976

約数和(自身を除く): 82155220

約数列:

[1, 2, 4, 7, 14, 28, 811, 1622, 3244, 3607, 5677, 7214, 11354, 14428, 22708, 25249, 50498, 100996, 2925277, 5850554, 11701108, 20476939, 40953878, 81907756]

約数ペア:

[(1, 81907756), (2, 40953878), (4, 20476939), (7, 11701108), (14, 5850554), (28, 2925277), (811, 100996), (1622, 50498), (3244, 25249), (3607, 22708), (5677, 14428), (7214, 11354)]