12787342

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 24

約数和(自身を含む): 20574000

約数和(自身を除く): 7786658

約数列:

[1, 2, 19, 38, 89, 178, 199, 361, 398, 722, 1691, 3382, 3781, 7562, 17711, 32129, 35422, 64258, 71839, 143678, 336509, 673018, 6393671, 12787342]

約数ペア:

[(1, 12787342), (2, 6393671), (19, 673018), (38, 336509), (89, 143678), (178, 71839), (199, 64258), (361, 35422), (398, 32129), (722, 17711), (1691, 7562), (3382, 3781)]