28904661981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1\times {\mathrm{691}}^1$

素因数の和:1367

約数の個数: 96

約数和(自身を含む): 49007329280

約数和(自身を除く): 20102667299

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 279, 403, 589, 607, 691, 741, 1209, 1767, 1821, 2073, 2223, 3627, 5301, 5463, 6219, 7657, 7891, 8983, 11533, 13129, 18817, 21421, 22971, 23673, 26949, 34599, 39387, 56451, 64263, 68913, 71019, 80847, 103797, 118161, 149929, 169353, 170677, 192789, 244621, 278473, 357523, 406999, 419437, 449787, 512031, 733863, 835419, 1072569, 1220997, 1258311, 1349361, 1536093, 2201589, 2506257, 3217707, 3662991, 3774933, 4647799, 5290987, 5452681, 7969303, 13002547, 13943397, 15872961, 16358043, 23907909, 39007641, 41830191, 47618883, 49074129, 71723727, 103600939, 117022923, 169033111, 247048393, 310802817, 507099333, 741145179, 932408451, 1521297999, 2223435537, 3211629109, 9634887327, 28904661981]

約数ペア:

[(1, 28904661981), (3, 9634887327), (9, 3211629109), (13, 2223435537), (19, 1521297999), (31, 932408451), (39, 741145179), (57, 507099333), (93, 310802817), (117, 247048393), (171, 169033111), (247, 117022923), (279, 103600939), (403, 71723727), (589, 49074129), (607, 47618883), (691, 41830191), (741, 39007641), (1209, 23907909), (1767, 16358043), (1821, 15872961), (2073, 13943397), (2223, 13002547), (3627, 7969303), (5301, 5452681), (5463, 5290987), (6219, 4647799), (7657, 3774933), (7891, 3662991), (8983, 3217707), (11533, 2506257), (13129, 2201589), (18817, 1536093), (21421, 1349361), (22971, 1258311), (23673, 1220997), (26949, 1072569), (34599, 835419), (39387, 733863), (56451, 512031), (64263, 449787), (68913, 419437), (71019, 406999), (80847, 357523), (103797, 278473), (118161, 244621), (149929, 192789), (169353, 170677)]