1285191224

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{20641}}^1$

素因数の和:20871

約数の個数: 32

約数和(自身を含む): 2479517040

約数和(自身を除く): 1194325816

約数列:

[1, 2, 4, 8, 43, 86, 172, 181, 344, 362, 724, 1448, 7783, 15566, 20641, 31132, 41282, 62264, 82564, 165128, 887563, 1775126, 3550252, 3736021, 7100504, 7472042, 14944084, 29888168, 160648903, 321297806, 642595612, 1285191224]

約数ペア:

[(1, 1285191224), (2, 642595612), (4, 321297806), (8, 160648903), (43, 29888168), (86, 14944084), (172, 7472042), (181, 7100504), (344, 3736021), (362, 3550252), (724, 1775126), (1448, 887563), (7783, 165128), (15566, 82564), (20641, 62264), (31132, 41282)]