210866876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{67499}}^1$

素因数の和:67585

約数の個数: 24

約数和(自身を含む): 408240000

約数和(自身を除く): 197373124

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 67499, 134998, 269996, 742489, 1484978, 2969956, 4792429, 9584858, 19169716, 52716719, 105433438, 210866876]

約数ペア:

[(1, 210866876), (2, 105433438), (4, 52716719), (11, 19169716), (22, 9584858), (44, 4792429), (71, 2969956), (142, 1484978), (284, 742489), (781, 269996), (1562, 134998), (3124, 67499)]