28313658

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^2\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 64834560

約数和(自身を除く): 36520902

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 383, 666, 766, 999, 1149, 1369, 1998, 2298, 2738, 3447, 4107, 6894, 8214, 10341, 12321, 14171, 20682, 24642, 28342, 36963, 42513, 73926, 85026, 127539, 255078, 382617, 524327, 765234, 1048654, 1572981, 3145962, 4718943, 9437886, 14156829, 28313658]

約数ペア:

[(1, 28313658), (2, 14156829), (3, 9437886), (6, 4718943), (9, 3145962), (18, 1572981), (27, 1048654), (37, 765234), (54, 524327), (74, 382617), (111, 255078), (222, 127539), (333, 85026), (383, 73926), (666, 42513), (766, 36963), (999, 28342), (1149, 24642), (1369, 20682), (1998, 14171), (2298, 12321), (2738, 10341), (3447, 8214), (4107, 6894)]