1561997016

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{504521}}^1$

素因数の和:504576

約数の個数: 48

約数和(自身を含む): 4328798760

約数和(自身を除く): 2766801744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 504521, 1009042, 1513563, 2018084, 3027126, 4036168, 4540689, 6054252, 9081378, 12108504, 18162756, 21694403, 36325512, 43388806, 65083209, 86777612, 130166418, 173555224, 195249627, 260332836, 390499254, 520665672, 780998508, 1561997016]

約数ペア:

[(1, 1561997016), (2, 780998508), (3, 520665672), (4, 390499254), (6, 260332836), (8, 195249627), (9, 173555224), (12, 130166418), (18, 86777612), (24, 65083209), (36, 43388806), (43, 36325512), (72, 21694403), (86, 18162756), (129, 12108504), (172, 9081378), (258, 6054252), (344, 4540689), (387, 4036168), (516, 3027126), (774, 2018084), (1032, 1513563), (1548, 1009042), (3096, 504521)]