28381906

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{5743}}^1$

素因数の和:6105

約数の個数: 16

約数和(自身を含む): 48801024

約数和(自身を除く): 20419118

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4942, 5743, 11486, 40201, 80402, 2027279, 4054558, 14190953, 28381906]

約数ペア:

[(1, 28381906), (2, 14190953), (7, 4054558), (14, 2027279), (353, 80402), (706, 40201), (2471, 11486), (4942, 5743)]