27985790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{997}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 57772224

約数和(自身を除く): 29786434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 997, 1994, 2005, 2807, 4010, 4985, 5614, 6979, 9970, 13958, 14035, 28070, 34895, 69790, 399797, 799594, 1998985, 2798579, 3997970, 5597158, 13992895, 27985790]

約数ペア:

[(1, 27985790), (2, 13992895), (5, 5597158), (7, 3997970), (10, 2798579), (14, 1998985), (35, 799594), (70, 399797), (401, 69790), (802, 34895), (997, 28070), (1994, 14035), (2005, 13958), (2807, 9970), (4010, 6979), (4985, 5614)]