28388272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1717

約数の個数: 40

約数和(自身を含む): 60634512

約数和(自身を除く): 32246240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1597, 1616, 2222, 3194, 4444, 6388, 8888, 12776, 17567, 17776, 25552, 35134, 70268, 140536, 161297, 281072, 322594, 645188, 1290376, 1774267, 2580752, 3548534, 7097068, 14194136, 28388272]

約数ペア:

[(1, 28388272), (2, 14194136), (4, 7097068), (8, 3548534), (11, 2580752), (16, 1774267), (22, 1290376), (44, 645188), (88, 322594), (101, 281072), (176, 161297), (202, 140536), (404, 70268), (808, 35134), (1111, 25552), (1597, 17776), (1616, 17567), (2222, 12776), (3194, 8888), (4444, 6388)]