205121818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{198377}}^1$

素因数の和:198437

約数の個数: 16

約数和(自身を含む): 342797184

約数和(自身を除く): 137675366

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 198377, 396754, 2182147, 4364294, 9323719, 18647438, 102560909, 205121818]

約数ペア:

[(1, 205121818), (2, 102560909), (11, 18647438), (22, 9323719), (47, 4364294), (94, 2182147), (517, 396754), (1034, 198377)]