2782318

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 5540400

約数和(自身を除く): 2758082

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 89, 98, 154, 178, 203, 319, 406, 539, 623, 638, 979, 1078, 1246, 1421, 1958, 2233, 2581, 2842, 4361, 4466, 5162, 6853, 8722, 13706, 15631, 18067, 28391, 31262, 36134, 47971, 56782, 95942, 126469, 198737, 252938, 397474, 1391159, 2782318]

約数ペア:

[(1, 2782318), (2, 1391159), (7, 397474), (11, 252938), (14, 198737), (22, 126469), (29, 95942), (49, 56782), (58, 47971), (77, 36134), (89, 31262), (98, 28391), (154, 18067), (178, 15631), (203, 13706), (319, 8722), (406, 6853), (539, 5162), (623, 4466), (638, 4361), (979, 2842), (1078, 2581), (1246, 2233), (1421, 1958)]