28305515

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{17207}}^1$

素因数の和:17266

約数の個数: 16

約数和(自身を含む): 39647232

約数和(自身を除く): 11341717

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 17207, 86035, 120449, 602245, 808729, 4043645, 5661103, 28305515]

約数ペア:

[(1, 28305515), (5, 5661103), (7, 4043645), (35, 808729), (47, 602245), (235, 120449), (329, 86035), (1645, 17207)]