28120256

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 56

約数和(自身を含む): 58674000

約数和(自身を除く): 30553744

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 109, 116, 139, 218, 232, 278, 436, 464, 556, 872, 928, 1112, 1744, 1856, 2224, 3161, 3488, 4031, 4448, 6322, 6976, 8062, 8896, 12644, 15151, 16124, 25288, 30302, 32248, 50576, 60604, 64496, 101152, 121208, 128992, 202304, 242416, 257984, 439379, 484832, 878758, 969664, 1757516, 3515032, 7030064, 14060128, 28120256]

約数ペア:

[(1, 28120256), (2, 14060128), (4, 7030064), (8, 3515032), (16, 1757516), (29, 969664), (32, 878758), (58, 484832), (64, 439379), (109, 257984), (116, 242416), (139, 202304), (218, 128992), (232, 121208), (278, 101152), (436, 64496), (464, 60604), (556, 50576), (872, 32248), (928, 30302), (1112, 25288), (1744, 16124), (1856, 15151), (2224, 12644), (3161, 8896), (3488, 8062), (4031, 6976), (4448, 6322)]