28535990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{407657}}^1$

素因数の和:407671

約数の個数: 16

約数和(自身を含む): 58702752

約数和(自身を除く): 30166762

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 407657, 815314, 2038285, 2853599, 4076570, 5707198, 14267995, 28535990]

約数ペア:

[(1, 28535990), (2, 14267995), (5, 5707198), (7, 4076570), (10, 2853599), (14, 2038285), (35, 815314), (70, 407657)]