28237090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{403387}}^1$

素因数の和:403401

約数の個数: 16

約数和(自身を含む): 58087872

約数和(自身を除く): 29850782

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 403387, 806774, 2016935, 2823709, 4033870, 5647418, 14118545, 28237090]

約数ペア:

[(1, 28237090), (2, 14118545), (5, 5647418), (7, 4033870), (10, 2823709), (14, 2016935), (35, 806774), (70, 403387)]