205558705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3861

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 81842255

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 473, 989, 1265, 2365, 3779, 4945, 10879, 18895, 41569, 54395, 86917, 162497, 207845, 434585, 812485, 956087, 1787467, 3737431, 4780435, 8937335, 18687155, 41111741, 205558705]

約数ペア:

[(1, 205558705), (5, 41111741), (11, 18687155), (23, 8937335), (43, 4780435), (55, 3737431), (115, 1787467), (215, 956087), (253, 812485), (473, 434585), (989, 207845), (1265, 162497), (2365, 86917), (3779, 54395), (4945, 41569), (10879, 18895)]