209086976

素因数分解:

$2^9\times 7^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 80

約数和(自身を含む): 481415616

約数和(自身を除く): 272328640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 227, 256, 257, 448, 454, 512, 514, 896, 908, 1028, 1589, 1792, 1799, 1816, 2056, 3178, 3584, 3598, 3632, 4112, 6356, 7196, 7264, 8224, 12712, 14392, 14528, 16448, 25424, 28784, 29056, 32896, 50848, 57568, 58112, 58339, 65792, 101696, 115136, 116224, 116678, 131584, 203392, 230272, 233356, 406784, 408373, 460544, 466712, 813568, 816746, 921088, 933424, 1633492, 1866848, 3266984, 3733696, 6533968, 7467392, 13067936, 14934784, 26135872, 29869568, 52271744, 104543488, 209086976]

約数ペア:

[(1, 209086976), (2, 104543488), (4, 52271744), (7, 29869568), (8, 26135872), (14, 14934784), (16, 13067936), (28, 7467392), (32, 6533968), (56, 3733696), (64, 3266984), (112, 1866848), (128, 1633492), (224, 933424), (227, 921088), (256, 816746), (257, 813568), (448, 466712), (454, 460544), (512, 408373), (514, 406784), (896, 233356), (908, 230272), (1028, 203392), (1589, 131584), (1792, 116678), (1799, 116224), (1816, 115136), (2056, 101696), (3178, 65792), (3584, 58339), (3598, 58112), (3632, 57568), (4112, 50848), (6356, 32896), (7196, 29056), (7264, 28784), (8224, 25424), (12712, 16448), (14392, 14528)]