28816256

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1159

約数の個数: 64

約数和(自身を含む): 67932000

約数和(自身を除く): 39115744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1109, 1624, 1856, 2218, 3248, 3712, 4436, 6496, 7763, 8872, 12992, 15526, 17744, 25984, 31052, 32161, 35488, 62104, 64322, 70976, 124208, 128644, 141952, 225127, 248416, 257288, 450254, 496832, 514576, 900508, 993664, 1029152, 1801016, 2058304, 3602032, 4116608, 7204064, 14408128, 28816256]

約数ペア:

[(1, 28816256), (2, 14408128), (4, 7204064), (7, 4116608), (8, 3602032), (14, 2058304), (16, 1801016), (28, 1029152), (29, 993664), (32, 900508), (56, 514576), (58, 496832), (64, 450254), (112, 257288), (116, 248416), (128, 225127), (203, 141952), (224, 128644), (232, 124208), (406, 70976), (448, 64322), (464, 62104), (812, 35488), (896, 32161), (928, 31052), (1109, 25984), (1624, 17744), (1856, 15526), (2218, 12992), (3248, 8872), (3712, 7763), (4436, 6496)]