11571428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 22179360

約数和(自身を除く): 10607932

約数列:

[1, 2, 4, 11, 22, 44, 409, 643, 818, 1286, 1636, 2572, 4499, 7073, 8998, 14146, 17996, 28292, 262987, 525974, 1051948, 2892857, 5785714, 11571428]

約数ペア:

[(1, 11571428), (2, 5785714), (4, 2892857), (11, 1051948), (22, 525974), (44, 262987), (409, 28292), (643, 17996), (818, 14146), (1286, 8998), (1636, 7073), (2572, 4499)]