51307984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 123742080

約数和(自身を除く): 72434096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 131, 182, 208, 262, 269, 364, 524, 538, 728, 917, 1048, 1076, 1456, 1703, 1834, 1883, 2096, 2152, 3406, 3497, 3668, 3766, 4304, 6812, 6994, 7336, 7532, 11921, 13624, 13988, 14672, 15064, 23842, 24479, 27248, 27976, 30128, 35239, 47684, 48958, 55952, 70478, 95368, 97916, 140956, 190736, 195832, 246673, 281912, 391664, 458107, 493346, 563824, 916214, 986692, 1832428, 1973384, 3206749, 3664856, 3946768, 6413498, 7329712, 12826996, 25653992, 51307984]

約数ペア:

[(1, 51307984), (2, 25653992), (4, 12826996), (7, 7329712), (8, 6413498), (13, 3946768), (14, 3664856), (16, 3206749), (26, 1973384), (28, 1832428), (52, 986692), (56, 916214), (91, 563824), (104, 493346), (112, 458107), (131, 391664), (182, 281912), (208, 246673), (262, 195832), (269, 190736), (364, 140956), (524, 97916), (538, 95368), (728, 70478), (917, 55952), (1048, 48958), (1076, 47684), (1456, 35239), (1703, 30128), (1834, 27976), (1883, 27248), (2096, 24479), (2152, 23842), (3406, 15064), (3497, 14672), (3668, 13988), (3766, 13624), (4304, 11921), (6812, 7532), (6994, 7336)]