28083328

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2411}}^1$

素因数の和:2445

約数の個数: 64

約数和(自身を含む): 68886720

約数和(自身を除く): 40803392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2411, 2912, 4822, 5824, 9644, 11648, 16877, 19288, 31343, 33754, 38576, 62686, 67508, 77152, 125372, 135016, 154304, 219401, 250744, 270032, 308608, 438802, 501488, 540064, 877604, 1002976, 1080128, 1755208, 2005952, 2160256, 3510416, 4011904, 7020832, 14041664, 28083328]

約数ペア:

[(1, 28083328), (2, 14041664), (4, 7020832), (7, 4011904), (8, 3510416), (13, 2160256), (14, 2005952), (16, 1755208), (26, 1080128), (28, 1002976), (32, 877604), (52, 540064), (56, 501488), (64, 438802), (91, 308608), (104, 270032), (112, 250744), (128, 219401), (182, 154304), (208, 135016), (224, 125372), (364, 77152), (416, 67508), (448, 62686), (728, 38576), (832, 33754), (896, 31343), (1456, 19288), (1664, 16877), (2411, 11648), (2912, 9644), (4822, 5824)]