28259256

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 73180800

約数和(自身を除く): 44921544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 139, 172, 197, 258, 278, 344, 394, 417, 516, 556, 591, 788, 834, 1032, 1112, 1182, 1576, 1668, 2364, 3336, 4728, 5977, 8471, 11954, 16942, 17931, 23908, 25413, 27383, 33884, 35862, 47816, 50826, 54766, 67768, 71724, 82149, 101652, 109532, 143448, 164298, 203304, 219064, 328596, 657192, 1177469, 2354938, 3532407, 4709876, 7064814, 9419752, 14129628, 28259256]

約数ペア:

[(1, 28259256), (2, 14129628), (3, 9419752), (4, 7064814), (6, 4709876), (8, 3532407), (12, 2354938), (24, 1177469), (43, 657192), (86, 328596), (129, 219064), (139, 203304), (172, 164298), (197, 143448), (258, 109532), (278, 101652), (344, 82149), (394, 71724), (417, 67768), (516, 54766), (556, 50826), (591, 47816), (788, 35862), (834, 33884), (1032, 27383), (1112, 25413), (1182, 23908), (1576, 17931), (1668, 16942), (2364, 11954), (3336, 8471), (4728, 5977)]