28293496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 69050880

約数和(自身を除く): 40757384

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 1997, 2024, 3542, 3994, 7084, 7988, 13979, 14168, 15976, 21967, 27958, 43934, 45931, 55916, 87868, 91862, 111832, 153769, 175736, 183724, 307538, 321517, 367448, 505241, 615076, 643034, 1010482, 1230152, 1286068, 2020964, 2572136, 3536687, 4041928, 7073374, 14146748, 28293496]

約数ペア:

[(1, 28293496), (2, 14146748), (4, 7073374), (7, 4041928), (8, 3536687), (11, 2572136), (14, 2020964), (22, 1286068), (23, 1230152), (28, 1010482), (44, 643034), (46, 615076), (56, 505241), (77, 367448), (88, 321517), (92, 307538), (154, 183724), (161, 175736), (184, 153769), (253, 111832), (308, 91862), (322, 87868), (506, 55916), (616, 45931), (644, 43934), (1012, 27958), (1288, 21967), (1771, 15976), (1997, 14168), (2024, 13979), (3542, 7988), (3994, 7084)]