15139784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4061

約数の個数: 32

約数和(自身を含む): 31695840

約数和(自身を除く): 16556056

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 4001, 8002, 16004, 32008, 44011, 88022, 172043, 176044, 344086, 352088, 688172, 1376344, 1892473, 3784946, 7569892, 15139784]

約数ペア:

[(1, 15139784), (2, 7569892), (4, 3784946), (8, 1892473), (11, 1376344), (22, 688172), (43, 352088), (44, 344086), (86, 176044), (88, 172043), (172, 88022), (344, 44011), (473, 32008), (946, 16004), (1892, 8002), (3784, 4001)]