389047316

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 799518720

約数和(自身を除く): 410471404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 311, 602, 622, 1039, 1204, 1244, 2078, 2177, 4156, 4354, 7273, 8708, 13373, 14546, 26746, 29092, 44677, 53492, 89354, 93611, 178708, 187222, 312739, 323129, 374444, 625478, 646258, 1250956, 1292516, 2261903, 4523806, 9047612, 13894547, 27789094, 55578188, 97261829, 194523658, 389047316]

約数ペア:

[(1, 389047316), (2, 194523658), (4, 97261829), (7, 55578188), (14, 27789094), (28, 13894547), (43, 9047612), (86, 4523806), (172, 2261903), (301, 1292516), (311, 1250956), (602, 646258), (622, 625478), (1039, 374444), (1204, 323129), (1244, 312739), (2078, 187222), (2177, 178708), (4156, 93611), (4354, 89354), (7273, 53492), (8708, 44677), (13373, 29092), (14546, 26746)]