28651315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74419}}^1$

素因数の和:74442

約数の個数: 16

約数和(自身を含む): 42865920

約数和(自身を除く): 14214605

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74419, 372095, 520933, 818609, 2604665, 4093045, 5730263, 28651315]

約数ペア:

[(1, 28651315), (5, 5730263), (7, 4093045), (11, 2604665), (35, 818609), (55, 520933), (77, 372095), (385, 74419)]