28278756

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71411}}^1$

素因数の和:71432

約数の個数: 36

約数和(自身を含む): 77981904

約数和(自身を除く): 49703148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71411, 142822, 214233, 285644, 428466, 642699, 785521, 856932, 1285398, 1571042, 2356563, 2570796, 3142084, 4713126, 7069689, 9426252, 14139378, 28278756]

約数ペア:

[(1, 28278756), (2, 14139378), (3, 9426252), (4, 7069689), (6, 4713126), (9, 3142084), (11, 2570796), (12, 2356563), (18, 1571042), (22, 1285398), (33, 856932), (36, 785521), (44, 642699), (66, 428466), (99, 285644), (132, 214233), (198, 142822), (396, 71411)]