28765216

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 30505184

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 139, 223, 232, 278, 446, 464, 556, 892, 928, 1112, 1784, 2224, 3568, 4031, 4448, 6467, 7136, 8062, 12934, 16124, 25868, 30997, 32248, 51736, 61994, 64496, 103472, 123988, 128992, 206944, 247976, 495952, 898913, 991904, 1797826, 3595652, 7191304, 14382608, 28765216]

約数ペア:

[(1, 28765216), (2, 14382608), (4, 7191304), (8, 3595652), (16, 1797826), (29, 991904), (32, 898913), (58, 495952), (116, 247976), (139, 206944), (223, 128992), (232, 123988), (278, 103472), (446, 64496), (464, 61994), (556, 51736), (892, 32248), (928, 30997), (1112, 25868), (1784, 16124), (2224, 12934), (3568, 8062), (4031, 7136), (4448, 6467)]