28104335

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{27689}}^1$

素因数の和:27730

約数の個数: 16

約数和(自身を含む): 39873600

約数和(自身を除く): 11769265

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 27689, 138445, 193823, 802981, 969115, 4014905, 5620867, 28104335]

約数ペア:

[(1, 28104335), (5, 5620867), (7, 4014905), (29, 969115), (35, 802981), (145, 193823), (203, 138445), (1015, 27689)]