399124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 782208

約数和(自身を除く): 383084

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 193, 386, 517, 772, 1034, 2068, 2123, 4246, 8492, 9071, 18142, 36284, 99781, 199562, 399124]

約数ペア:

[(1, 399124), (2, 199562), (4, 99781), (11, 36284), (22, 18142), (44, 9071), (47, 8492), (94, 4246), (188, 2123), (193, 2068), (386, 1034), (517, 772)]