28890085

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6301}}^1$

素因数の和:6444

約数の個数: 16

約数和(自身を含む): 39929472

約数和(自身を除く): 11039387

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 6301, 31505, 44107, 220535, 825431, 4127155, 5778017, 28890085]

約数ペア:

[(1, 28890085), (5, 5778017), (7, 4127155), (35, 825431), (131, 220535), (655, 44107), (917, 31505), (4585, 6301)]