28517072

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{8447}}^1$

素因数の和:8666

約数の個数: 20

約数和(自身を含む): 55520256

約数和(自身を除く): 27003184

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 8447, 16894, 33788, 67576, 135152, 1782317, 3564634, 7129268, 14258536, 28517072]

約数ペア:

[(1, 28517072), (2, 14258536), (4, 7129268), (8, 3564634), (16, 1782317), (211, 135152), (422, 67576), (844, 33788), (1688, 16894), (3376, 8447)]