128875439

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1321}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 164573136

約数和(自身を除く): 35697697

約数列:

[1, 7, 11, 49, 77, 181, 539, 1267, 1321, 1991, 8869, 9247, 13937, 14531, 64729, 97559, 101717, 239101, 712019, 1673707, 2630111, 11715949, 18410777, 128875439]

約数ペア:

[(1, 128875439), (7, 18410777), (11, 11715949), (49, 2630111), (77, 1673707), (181, 712019), (539, 239101), (1267, 101717), (1321, 97559), (1991, 64729), (8869, 14531), (9247, 13937)]