78861688

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{138841}}^1$

素因数の和:138918

約数の個数: 16

約数和(自身を含む): 149949360

約数和(自身を除く): 71087672

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 138841, 277682, 555364, 1110728, 9857711, 19715422, 39430844, 78861688]

約数ペア:

[(1, 78861688), (2, 39430844), (4, 19715422), (8, 9857711), (71, 1110728), (142, 555364), (284, 277682), (568, 138841)]