638647542

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{6217}}^1$

素因数の和:6677

約数の個数: 48

約数和(自身を含む): 1493812320

約数和(自身を除く): 855164778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 439, 878, 1317, 2634, 3951, 5707, 6217, 7902, 11414, 12434, 17121, 18651, 34242, 37302, 51363, 55953, 80821, 102726, 111906, 161642, 242463, 484926, 727389, 1454778, 2729263, 5458526, 8187789, 16375578, 24563367, 35480419, 49126734, 70960838, 106441257, 212882514, 319323771, 638647542]

約数ペア:

[(1, 638647542), (2, 319323771), (3, 212882514), (6, 106441257), (9, 70960838), (13, 49126734), (18, 35480419), (26, 24563367), (39, 16375578), (78, 8187789), (117, 5458526), (234, 2729263), (439, 1454778), (878, 727389), (1317, 484926), (2634, 242463), (3951, 161642), (5707, 111906), (6217, 102726), (7902, 80821), (11414, 55953), (12434, 51363), (17121, 37302), (18651, 34242)]