28197740

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9337}}^1$

素因数の和:9497

約数の個数: 24

約数和(自身を含む): 59613792

約数和(自身を除く): 31416052

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9337, 18674, 37348, 46685, 93370, 186740, 1409887, 2819774, 5639548, 7049435, 14098870, 28197740]

約数ペア:

[(1, 28197740), (2, 14098870), (4, 7049435), (5, 5639548), (10, 2819774), (20, 1409887), (151, 186740), (302, 93370), (604, 46685), (755, 37348), (1510, 18674), (3020, 9337)]