28028105

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6113}}^1$

素因数の和:6256

約数の個数: 16

約数和(自身を含む): 38738304

約数和(自身を除く): 10710199

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 6113, 30565, 42791, 213955, 800803, 4004015, 5605621, 28028105]

約数ペア:

[(1, 28028105), (5, 5605621), (7, 4004015), (35, 800803), (131, 213955), (655, 42791), (917, 30565), (4585, 6113)]