128565356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{43969}}^1$

素因数の和:44033

約数の個数: 24

約数和(自身を含む): 243769680

約数和(自身を除く): 115204324

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 43969, 87938, 175876, 747473, 1494946, 1890667, 2989892, 3781334, 7562668, 32141339, 64282678, 128565356]

約数ペア:

[(1, 128565356), (2, 64282678), (4, 32141339), (17, 7562668), (34, 3781334), (43, 2989892), (68, 1890667), (86, 1494946), (172, 747473), (731, 175876), (1462, 87938), (2924, 43969)]