16666988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 31589712

約数和(自身を除く): 14922724

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 1627, 2561, 3254, 5122, 6508, 10244, 21151, 42302, 84604, 320519, 641038, 1282076, 4166747, 8333494, 16666988]

約数ペア:

[(1, 16666988), (2, 8333494), (4, 4166747), (13, 1282076), (26, 641038), (52, 320519), (197, 84604), (394, 42302), (788, 21151), (1627, 10244), (2561, 6508), (3254, 5122)]