131871005

素因数分解:

$5^1\times 7^2\times {\mathrm{538249}}^1$

素因数の和:538268

約数の個数: 12

約数和(自身を含む): 184081500

約数和(自身を除く): 52210495

約数列:

[1, 5, 7, 35, 49, 245, 538249, 2691245, 3767743, 18838715, 26374201, 131871005]

約数ペア:

[(1, 131871005), (5, 26374201), (7, 18838715), (35, 3767743), (49, 2691245), (245, 538249)]