28399624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1783}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 58443840

約数和(自身を除く): 30044216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 362, 724, 1448, 1783, 1991, 3566, 3982, 7132, 7964, 14264, 15928, 19613, 39226, 78452, 156904, 322723, 645446, 1290892, 2581784, 3549953, 7099906, 14199812, 28399624]

約数ペア:

[(1, 28399624), (2, 14199812), (4, 7099906), (8, 3549953), (11, 2581784), (22, 1290892), (44, 645446), (88, 322723), (181, 156904), (362, 78452), (724, 39226), (1448, 19613), (1783, 15928), (1991, 14264), (3566, 7964), (3982, 7132)]