28784168

素因数分解:

$2^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 63512820

約数和(自身を除く): 34728652

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 388, 392, 679, 757, 776, 1358, 1514, 2716, 3028, 4753, 5299, 5432, 6056, 9506, 10598, 19012, 21196, 37093, 38024, 42392, 73429, 74186, 146858, 148372, 293716, 296744, 514003, 587432, 1028006, 2056012, 3598021, 4112024, 7196042, 14392084, 28784168]

約数ペア:

[(1, 28784168), (2, 14392084), (4, 7196042), (7, 4112024), (8, 3598021), (14, 2056012), (28, 1028006), (49, 587432), (56, 514003), (97, 296744), (98, 293716), (194, 148372), (196, 146858), (388, 74186), (392, 73429), (679, 42392), (757, 38024), (776, 37093), (1358, 21196), (1514, 19012), (2716, 10598), (3028, 9506), (4753, 6056), (5299, 5432)]