212711690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{518809}}^1$

素因数の和:518857

約数の個数: 16

約数和(自身を含む): 392220360

約数和(自身を除く): 179508670

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 518809, 1037618, 2594045, 5188090, 21271169, 42542338, 106355845, 212711690]

約数ペア:

[(1, 212711690), (2, 106355845), (5, 42542338), (10, 21271169), (41, 5188090), (82, 2594045), (205, 1037618), (410, 518809)]