209789998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{142327}}^1$

素因数の和:142407

約数の個数: 16

約数和(自身を含む): 348418944

約数和(自身を除く): 138628946

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 142327, 284654, 1565597, 3131194, 9535909, 19071818, 104894999, 209789998]

約数ペア:

[(1, 209789998), (2, 104894999), (11, 19071818), (22, 9535909), (67, 3131194), (134, 1565597), (737, 284654), (1474, 142327)]