28203406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16649}}^1$

素因数の和:16680

約数の個数: 24

約数和(自身を含む): 53146800

約数和(自身を除く): 24943394

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 16649, 33298, 116543, 183139, 233086, 366278, 1281973, 2014529, 2563946, 4029058, 14101703, 28203406]

約数ペア:

[(1, 28203406), (2, 14101703), (7, 4029058), (11, 2563946), (14, 2014529), (22, 1281973), (77, 366278), (121, 233086), (154, 183139), (242, 116543), (847, 33298), (1694, 16649)]