28811552

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1063}}^1$

素因数の和:1102

約数の個数: 72

約数和(自身を含む): 71322048

約数和(自身を除く): 42510496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 847, 968, 1063, 1232, 1694, 1936, 2126, 2464, 3388, 3872, 4252, 6776, 7441, 8504, 11693, 13552, 14882, 17008, 23386, 27104, 29764, 34016, 46772, 59528, 81851, 93544, 119056, 128623, 163702, 187088, 238112, 257246, 327404, 374176, 514492, 654808, 900361, 1028984, 1309616, 1800722, 2057968, 2619232, 3601444, 4115936, 7202888, 14405776, 28811552]

約数ペア:

[(1, 28811552), (2, 14405776), (4, 7202888), (7, 4115936), (8, 3601444), (11, 2619232), (14, 2057968), (16, 1800722), (22, 1309616), (28, 1028984), (32, 900361), (44, 654808), (56, 514492), (77, 374176), (88, 327404), (112, 257246), (121, 238112), (154, 187088), (176, 163702), (224, 128623), (242, 119056), (308, 93544), (352, 81851), (484, 59528), (616, 46772), (847, 34016), (968, 29764), (1063, 27104), (1232, 23386), (1694, 17008), (1936, 14882), (2126, 13552), (2464, 11693), (3388, 8504), (3872, 7441), (4252, 6776)]