56742155

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 71869776

約数和(自身を除く): 15127621

約数列:

[1, 5, 41, 43, 157, 205, 215, 785, 1681, 1763, 6437, 6751, 8405, 8815, 32185, 33755, 72283, 263917, 276791, 361415, 1319585, 1383955, 11348431, 56742155]

約数ペア:

[(1, 56742155), (5, 11348431), (41, 1383955), (43, 1319585), (157, 361415), (205, 276791), (215, 263917), (785, 72283), (1681, 33755), (1763, 32185), (6437, 8815), (6751, 8405)]