217872710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1980661}}^1$

素因数の和:1980679

約数の個数: 16

約数和(自身を含む): 427822992

約数和(自身を除く): 209950282

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1980661, 3961322, 9903305, 19806610, 21787271, 43574542, 108936355, 217872710]

約数ペア:

[(1, 217872710), (2, 108936355), (5, 43574542), (10, 21787271), (11, 19806610), (22, 9903305), (55, 3961322), (110, 1980661)]