207978617

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{142159}}^1$

素因数の和:142196

約数の個数: 16

約数和(自身を含む): 272947200

約数和(自身を除く): 64968583

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 142159, 995113, 1563749, 2701021, 10946243, 18907147, 29711231, 207978617]

約数ペア:

[(1, 207978617), (7, 29711231), (11, 18907147), (19, 10946243), (77, 2701021), (133, 1563749), (209, 995113), (1463, 142159)]