28286524

素因数分解:

$2^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 30681476

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 343, 371, 389, 686, 742, 778, 1372, 1484, 1556, 2597, 2723, 5194, 5446, 10388, 10892, 18179, 19061, 20617, 36358, 38122, 41234, 72716, 76244, 82468, 133427, 144319, 266854, 288638, 533708, 577276, 1010233, 2020466, 4040932, 7071631, 14143262, 28286524]

約数ペア:

[(1, 28286524), (2, 14143262), (4, 7071631), (7, 4040932), (14, 2020466), (28, 1010233), (49, 577276), (53, 533708), (98, 288638), (106, 266854), (196, 144319), (212, 133427), (343, 82468), (371, 76244), (389, 72716), (686, 41234), (742, 38122), (778, 36358), (1372, 20617), (1484, 19061), (1556, 18179), (2597, 10892), (2723, 10388), (5194, 5446)]