138881435

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 218907360

約数和(自身を除く): 80025925

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 1015, 1421, 1595, 1777, 2233, 2695, 7105, 8885, 11165, 12439, 15631, 19547, 51533, 62195, 78155, 87073, 97735, 136829, 257665, 360731, 435365, 566863, 684145, 957803, 1803655, 2525117, 2834315, 3968041, 4789015, 12625585, 19840205, 27776287, 138881435]

約数ペア:

[(1, 138881435), (5, 27776287), (7, 19840205), (11, 12625585), (29, 4789015), (35, 3968041), (49, 2834315), (55, 2525117), (77, 1803655), (145, 957803), (203, 684145), (245, 566863), (319, 435365), (385, 360731), (539, 257665), (1015, 136829), (1421, 97735), (1595, 87073), (1777, 78155), (2233, 62195), (2695, 51533), (7105, 19547), (8885, 15631), (11165, 12439)]