1285341736

素因数分解:

$2^3\times 7^4\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 2860213140

約数和(自身を除く): 1574871404

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 343, 392, 427, 488, 686, 854, 1097, 1372, 1708, 2194, 2401, 2744, 2989, 3416, 4388, 4802, 5978, 7679, 8776, 9604, 11956, 15358, 19208, 20923, 23912, 30716, 41846, 53753, 61432, 66917, 83692, 107506, 133834, 146461, 167384, 215012, 267668, 292922, 376271, 430024, 468419, 535336, 585844, 752542, 936838, 1171688, 1505084, 1873676, 2633897, 3010168, 3278933, 3747352, 5267794, 6557866, 10535588, 13115732, 21071176, 22952531, 26231464, 45905062, 91810124, 160667717, 183620248, 321335434, 642670868, 1285341736]

約数ペア:

[(1, 1285341736), (2, 642670868), (4, 321335434), (7, 183620248), (8, 160667717), (14, 91810124), (28, 45905062), (49, 26231464), (56, 22952531), (61, 21071176), (98, 13115732), (122, 10535588), (196, 6557866), (244, 5267794), (343, 3747352), (392, 3278933), (427, 3010168), (488, 2633897), (686, 1873676), (854, 1505084), (1097, 1171688), (1372, 936838), (1708, 752542), (2194, 585844), (2401, 535336), (2744, 468419), (2989, 430024), (3416, 376271), (4388, 292922), (4802, 267668), (5978, 215012), (7679, 167384), (8776, 146461), (9604, 133834), (11956, 107506), (15358, 83692), (19208, 66917), (20923, 61432), (23912, 53753), (30716, 41846)]