16965988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 32087160

約数和(自身を除く): 15121172

約数列:

[1, 2, 4, 13, 26, 52, 509, 641, 1018, 1282, 2036, 2564, 6617, 8333, 13234, 16666, 26468, 33332, 326269, 652538, 1305076, 4241497, 8482994, 16965988]

約数ペア:

[(1, 16965988), (2, 8482994), (4, 4241497), (13, 1305076), (26, 652538), (52, 326269), (509, 33332), (641, 26468), (1018, 16666), (1282, 13234), (2036, 8333), (2564, 6617)]