220157905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5743}}^1$

素因数の和:5817

約数の個数: 32

約数和(自身を含む): 312657408

約数和(自身を除く): 92499503

約数列:

[1, 5, 11, 17, 41, 55, 85, 187, 205, 451, 697, 935, 2255, 3485, 5743, 7667, 28715, 38335, 63173, 97631, 235463, 315865, 488155, 1073941, 1177315, 2590093, 4002871, 5369705, 12950465, 20014355, 44031581, 220157905]

約数ペア:

[(1, 220157905), (5, 44031581), (11, 20014355), (17, 12950465), (41, 5369705), (55, 4002871), (85, 2590093), (187, 1177315), (205, 1073941), (451, 488155), (697, 315865), (935, 235463), (2255, 97631), (3485, 63173), (5743, 38335), (7667, 28715)]