206820005

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{60919}}^1$

素因数の和:61028

約数の個数: 16

約数和(自身を含む): 286567680

約数和(自身を除く): 79747675

約数列:

[1, 5, 7, 35, 97, 485, 679, 3395, 60919, 304595, 426433, 2132165, 5909143, 29545715, 41364001, 206820005]

約数ペア:

[(1, 206820005), (5, 41364001), (7, 29545715), (35, 5909143), (97, 2132165), (485, 426433), (679, 304595), (3395, 60919)]