28202195

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2677}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 40298544

約数和(自身を除く): 12096349

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 2677, 10535, 13385, 18739, 93695, 115111, 131173, 575555, 655865, 805777, 4028885, 5640439, 28202195]

約数ペア:

[(1, 28202195), (5, 5640439), (7, 4028885), (35, 805777), (43, 655865), (49, 575555), (215, 131173), (245, 115111), (301, 93695), (1505, 18739), (2107, 13385), (2677, 10535)]