209225905

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127189}}^1$

素因数の和:127248

約数の個数: 16

約数和(自身を含む): 293045760

約数和(自身を除く): 83819855

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 127189, 635945, 890323, 4451615, 5977883, 29889415, 41845181, 209225905]

約数ペア:

[(1, 209225905), (5, 41845181), (7, 29889415), (35, 5977883), (47, 4451615), (235, 890323), (329, 635945), (1645, 127189)]