278557812

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 782432000

約数和(自身を除く): 503874188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 199, 234, 351, 398, 468, 597, 702, 796, 997, 1194, 1404, 1791, 1994, 2388, 2587, 2991, 3582, 3988, 5174, 5373, 5982, 7164, 7761, 8973, 10348, 10746, 11964, 12961, 15522, 17946, 21492, 23283, 25922, 26919, 31044, 35892, 38883, 46566, 51844, 53838, 69849, 77766, 93132, 107676, 116649, 139698, 155532, 198403, 233298, 279396, 349947, 396806, 466596, 595209, 699894, 793612, 1190418, 1399788, 1785627, 2380836, 2579239, 3571254, 5158478, 5356881, 7142508, 7737717, 10316956, 10713762, 15475434, 21427524, 23213151, 30950868, 46426302, 69639453, 92852604, 139278906, 278557812]

約数ペア:

[(1, 278557812), (2, 139278906), (3, 92852604), (4, 69639453), (6, 46426302), (9, 30950868), (12, 23213151), (13, 21427524), (18, 15475434), (26, 10713762), (27, 10316956), (36, 7737717), (39, 7142508), (52, 5356881), (54, 5158478), (78, 3571254), (108, 2579239), (117, 2380836), (156, 1785627), (199, 1399788), (234, 1190418), (351, 793612), (398, 699894), (468, 595209), (597, 466596), (702, 396806), (796, 349947), (997, 279396), (1194, 233298), (1404, 198403), (1791, 155532), (1994, 139698), (2388, 116649), (2587, 107676), (2991, 93132), (3582, 77766), (3988, 69849), (5174, 53838), (5373, 51844), (5982, 46566), (7164, 38883), (7761, 35892), (8973, 31044), (10348, 26919), (10746, 25922), (11964, 23283), (12961, 21492), (15522, 17946)]