221787212

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{1319}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 392663040

約数和(自身を除く): 170875828

約数列:

[1, 2, 4, 127, 254, 331, 508, 662, 1319, 1324, 2638, 5276, 42037, 84074, 167513, 168148, 335026, 436589, 670052, 873178, 1746356, 55446803, 110893606, 221787212]

約数ペア:

[(1, 221787212), (2, 110893606), (4, 55446803), (127, 1746356), (254, 873178), (331, 670052), (508, 436589), (662, 335026), (1319, 168148), (1324, 167513), (2638, 84074), (5276, 42037)]