78493345

素因数分解:

$5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{761}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 109974888

約数和(自身を除く): 31481543

約数列:

[1, 5, 7, 35, 49, 245, 421, 761, 2105, 2947, 3805, 5327, 14735, 20629, 26635, 37289, 103145, 186445, 320381, 1601905, 2242667, 11213335, 15698669, 78493345]

約数ペア:

[(1, 78493345), (5, 15698669), (7, 11213335), (35, 2242667), (49, 1601905), (245, 320381), (421, 186445), (761, 103145), (2105, 37289), (2947, 26635), (3805, 20629), (5327, 14735)]