28989655

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 35610624

約数和(自身を除く): 6620969

約数列:

[1, 5, 71, 127, 355, 635, 643, 3215, 9017, 45085, 45653, 81661, 228265, 408305, 5797931, 28989655]

約数ペア:

[(1, 28989655), (5, 5797931), (71, 408305), (127, 228265), (355, 81661), (635, 45653), (643, 45085), (3215, 9017)]