129124988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{3547}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 238425600

約数和(自身を除く): 109300612

約数列:

[1, 2, 4, 19, 38, 76, 479, 958, 1916, 3547, 7094, 9101, 14188, 18202, 36404, 67393, 134786, 269572, 1699013, 3398026, 6796052, 32281247, 64562494, 129124988]

約数ペア:

[(1, 129124988), (2, 64562494), (4, 32281247), (19, 6796052), (38, 3398026), (76, 1699013), (479, 269572), (958, 134786), (1916, 67393), (3547, 36404), (7094, 18202), (9101, 14188)]