209449994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 345261504

約数和(自身を除く): 135811510

約数列:

[1, 2, 13, 26, 73, 146, 211, 422, 523, 949, 1046, 1898, 2743, 5486, 6799, 13598, 15403, 30806, 38179, 76358, 110353, 200239, 220706, 400478, 496327, 992654, 1434589, 2869178, 8055769, 16111538, 104724997, 209449994]

約数ペア:

[(1, 209449994), (2, 104724997), (13, 16111538), (26, 8055769), (73, 2869178), (146, 1434589), (211, 992654), (422, 496327), (523, 400478), (949, 220706), (1046, 200239), (1898, 110353), (2743, 76358), (5486, 38179), (6799, 30806), (13598, 15403)]