68220985

素因数分解:

$5^1\times 7^3\times {\mathrm{39779}}^1$

素因数の和:39805

約数の個数: 16

約数和(自身を含む): 95472000

約数和(自身を除く): 27251015

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 39779, 198895, 278453, 1392265, 1949171, 9745855, 13644197, 68220985]

約数ペア:

[(1, 68220985), (5, 13644197), (7, 9745855), (35, 1949171), (49, 1392265), (245, 278453), (343, 198895), (1715, 39779)]