209715038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 349626144

約数和(自身を除く): 139911106

約数列:

[1, 2, 13, 26, 37, 74, 277, 481, 554, 787, 962, 1574, 3601, 7202, 10231, 10249, 20462, 20498, 29119, 58238, 133237, 217999, 266474, 378547, 435998, 757094, 2833987, 5667974, 8065963, 16131926, 104857519, 209715038]

約数ペア:

[(1, 209715038), (2, 104857519), (13, 16131926), (26, 8065963), (37, 5667974), (74, 2833987), (277, 757094), (481, 435998), (554, 378547), (787, 266474), (962, 217999), (1574, 133237), (3601, 58238), (7202, 29119), (10231, 20498), (10249, 20462)]