261936698884

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{172507}}^1$

素因数の和:172713

約数の個数: 72

約数和(自身を含む): 546240371712

約数和(自身を除く): 284303672828

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 127, 196, 244, 254, 427, 508, 854, 889, 1708, 1778, 2989, 3556, 5978, 6223, 7747, 11956, 12446, 15494, 24892, 30988, 54229, 108458, 172507, 216916, 345014, 379603, 690028, 759206, 1207549, 1518412, 2415098, 4830196, 8452843, 10522927, 16905686, 21045854, 21908389, 33811372, 42091708, 43816778, 73660489, 87633556, 147320978, 153358723, 294641956, 306717446, 515623423, 613434892, 1031246846, 1073511061, 1336411729, 2062493692, 2147022122, 2672823458, 4294044244, 5345646916, 9354882103, 18709764206, 37419528412, 65484174721, 130968349442, 261936698884]

約数ペア:

[(1, 261936698884), (2, 130968349442), (4, 65484174721), (7, 37419528412), (14, 18709764206), (28, 9354882103), (49, 5345646916), (61, 4294044244), (98, 2672823458), (122, 2147022122), (127, 2062493692), (196, 1336411729), (244, 1073511061), (254, 1031246846), (427, 613434892), (508, 515623423), (854, 306717446), (889, 294641956), (1708, 153358723), (1778, 147320978), (2989, 87633556), (3556, 73660489), (5978, 43816778), (6223, 42091708), (7747, 33811372), (11956, 21908389), (12446, 21045854), (15494, 16905686), (24892, 10522927), (30988, 8452843), (54229, 4830196), (108458, 2415098), (172507, 1518412), (216916, 1207549), (345014, 759206), (379603, 690028)]