399078978

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{19661}}^1$

素因数の和:19882

約数の個数: 32

約数和(自身を含む): 849398400

約数和(自身を除く): 450319422

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 199, 398, 597, 1194, 3383, 6766, 10149, 19661, 20298, 39322, 58983, 117966, 334237, 668474, 1002711, 2005422, 3912539, 7825078, 11737617, 23475234, 66513163, 133026326, 199539489, 399078978]

約数ペア:

[(1, 399078978), (2, 199539489), (3, 133026326), (6, 66513163), (17, 23475234), (34, 11737617), (51, 7825078), (102, 3912539), (199, 2005422), (398, 1002711), (597, 668474), (1194, 334237), (3383, 117966), (6766, 58983), (10149, 39322), (19661, 20298)]